Zaxis Valveless Metering Pump User Manual
Contents
1. APP CAS ksa k a 18 5 Aduse Meter No ONIN CS ashe Pectin alae Moman nom t Meat aa hua ana eka hahaa 19 340 AA TIN a a ks s ais is k 19 4 Control Keypad Description advanced Operation 22 enda s tas ed SSS NB SB Ba 19 we Keypad Ken Guidel Ne ETE TESTE 19 12 Detailed Boton nc 19 4 4YPIGAI Keypad Naa lla ausu edel t ae eo llk pI M Sail s M Ee La 19 Sy Electrical Physical Spec ca One AN BB BBB Ol nun 19 Sale VCC COMIC C onttollef odio end AAA as 19 3 20 Motor MOU irc 20 Io MOI e Ba 21 Ox Tiowbleshoot ea a uta ta uM irc DDR d Gavneuataooseseanienee 22 US Patent Pending 2 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual dos Me ta en an qus 21 T Metering Head Removal and Disassembly ee beb ea aa aan en an one ite puri be ries 23 quc Mete Head Iean nk kka as i a i 24 Tl Standard Ulcanino Requirements Lan aa Kei ae aa Ka ea ama ata sete bed esa 24 JT anita Cleans Regu na 25 PZ Piston Seal REPlAC SINGIN A 25 Tik Piston Cal SC CIN Sa 26 Tes Meeting Head cas cmo AAA AAA un 27 L A o atts ied ancl 28 30 Ie Recommended Spare Pati se ee dalles BE BBB BESI LL 30 Br Warnan ee RN BN T NU TT 31 9 Elcetrcal Schematics and Cable PTHOUE 2 e 32 Dale VOCOMMW60b naa Hx cc E 32 10 NA ss au 34 Ll STEND AI SUP PO wei A aR ds 35 US Patent Pending 3 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 1 Introduction The Vmp system combines a user friendly electronical2. and carbon cylinder liners Ceramic cylinder liners can only be used with ceramic pistons Sapphire hard fused crystalline alumina 99 5 Aluminum Oxide has excellent chemical resistance thermal stability and is mechanically resistant to common abrasives Caution This material is subject to binding or freezing when stored after improper cleaning brittle and subject to fracture under sudden impact loading and is not suitable for very dry fluids such as hexane K Fluorocarbon Fluorocarbon PVDF is used for some cylinder cases and tubing fittings This material is autoclavable to 240 F maximum It has good chemical tolerance to most fluids Caution Sensitive to degrading effects of some organic solvents esters and ketones S Stainless Steel 316 Stainless Steel 316 is used for some pistons cylinder cases and or tube fittings Not to be used as piston with ceramic cylinder liner It has excellent chemical and physical strength characteristics Caution This material is subject to attack by some halides strong acids and bases Also is subject to surface abrasion and wear in piston application Y Carbon Carbon is used for some cylinder liners It is suitable for use with stainless steel and ceramic pistons It has a hard crystalline stage ingot sintered and pure carbon chemically resistant to most commonly used fluids Caution This material is sensitive to strong oxidants and all abrasive materials US Patent Pending 7 ZDC001
3. manufactured of Alumina Ceramic Type 316 Stainless Steel and Teflon After cleaning reassemble the components as follows Assemble piston seal components as per instruction paragraph 7 3 steps a b and c Orient Cylinder Liner ZR407 C in Cylinder Case ZR405 SAN in such a manner that the side port flats on Cylinder Liner ZR407 C should be visible through the side port openings on Cylinder Case ZR405 SAN 7 2 3 Piston Seal Replacement Place each port seal component ZR412 T into each side port of Cylinder Case ZR405 SAN using finger pressure across the two opposing ports to assure complete seating of the seal surfaces on the Cylinder Liner flats Apply Port Nut 110348 P to each port finger tight Carefully insert piston into cylinder liner until threads of Cylinder Nut ZR406 S meet threads of Cylinder Case ZR405 SAN Tighten Nut ZR406 S finger tight Place head seal components 2 ZR408 and ZR409 into the threaded end of Cylinder Case ZR405 SAN apply Cylinder Nut ZR406 S Wrench tighten each Port Fitting ZR412 0 1 6 of a turn Wrench tighten Cylinder Nut ZR406 S 1 2 turn When ZR408 seals are replaced the following procedure must be followed to insure that the seals are not damaged a b d Place gland nut ZR406 and gland washer ZR409 on piston assembly ZR423 First form lip of Lip Seal around piston by gently placing a Lip Seal ZR408 on piston lip side last Carefully rotate the seal on the piston to avoid d
4. unit of dynamic viscosity egual to one hundredth 10 of a poise Poise P A centimeter gram second unit of dynamic viscosity equal to one dyne second per square centimeter Positive Displacement describes the volume of material displaced in a rigid system by a given movement of a piston in a bore Stroke Distance the ceramic piston travels into the sleeve cylinder Strokes per Minute spm The number of times the ceramic piston cycles in a 60sec time period Target Fluid The fluid that will be metered Viscosity defines the ability of a fluid to flow measured in centipoise cP 1 e water 208C 1 0 cP Honey 208C 10 000 cP US Patent Pending 34 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 11 Technical Support Refer to the Troubleshooting Problems section and verify correct setup before contacting technical support Zaxis Meter Solutions 79 W 4500 S Unit 421 Salt Lake City UT 84107 e mail tech zaxisinc com Toll Free 1 800 580 6335 Phone 1 801 264 1000 Fax 1 801 265 8413 US Patent Pending 35
5. 03 ORG doc Tm P Valveless Metering Pump User Manual T Tefzel E I Dupont Co Fluoropolymer E TFE is used for cylinder cases in some metering head It has excellent chemical resistance to most acids bases and solvents This material is autoclavable to 240 F maximum Rulon AR Furon Company This material is a fluorocarbon filled with PTFE and is used for lip seals in some pump heads It has good chemical resistance sensitive to some organic solvents and strong acids and bases It is physically soft resilient and non abrasive Teflon E I Dupont Co Fluorocarbon PTFE is used for seals and fittings in some metering head and has excellent chemical resistance characteristics It is soft pliable easily cut nonstick surface chemically stable over a wide thermal range It is dimensionally sensitive to temperature change and is not suitable for structural components US Patent Pending 8 Vm P Valveless Metering Pump User Manual ZDC001 03 ORG doc 2 System Components 2 1 Electronic Controller Advanced solid state electronics with microprocessor controls constitute the basic components in the VmP precision metering system Years of customer input have led to the recognition that a metering system should provide the user flexibility of control Forward and reverse fluid movement is readily available as well as linear adjustable rate control volume select prime and meter modes Multiple channels PLC interfacing optio
6. DC001 03 ORG doc surfaces and seal areas will stay moist and mobile for extended idle periods If However a piston ceramic or stainless steel does freeze in the cylinder DO NOT TRY TO FORCE IT FREE Be gentle Try to remove the pump head refer to 7 from the base assembly so that the whole assembly can be soaked in a suitable solvent If the head is not conveniently removable the tube loop discussed in the prior paragraph may permit solvent to dissolve the frozen residue in a reasonable time If all else fails package the pump and ship it back to the factory with a short explanation telling us what the last material that was in the pump We will free the piston and return it to you for a nominal fee plus shipping and handling Having a spare pump head on hand in case of emergencies is always a good idea 24 VmP Valveless Metering Pump User Manual ZDC001 03 ORG doc 7 2 2 Sanitary Cleaning Requirements Applies only to the sanitary metering head VmP sanitary metering heads designated SAN are designed to conform to cleansing standards of the U S Food and Drug Administration To clean individual component parts a b c d Unscrew Cylinder Nut ZR406 S and 2 Port Nuts 110348 P Remove piston and seal components released by step a above Use fingers to wiggle liner ZR407 C slipping it from Cylinder Case ZR405 SAN Cleanse and sterilize component parts as per government regulations for parts
7. Pressure In most VmP pump models motor starting torque 1s the limiting factor in the stated pressure rating Fluids such as oils creams and gels that are good lubricants are more easily pumped than aqueous or dry fluids and therefore require less motor torque and may be pumped against pressures considerably greater than those given in the rating charts All pump head components are designed to withstand backpressures up to 100 psig at room temperatures though pump heads with fluorocarbon cylinder cases may exhibit some loss of pumping capacity at pressures over 60 psig Note Check your fluid circuit before applying power to the pump Accuracy VmP pump accuracy is based on a simplified positive displacement mechanism The valveless design provides an accuracy of better than 1 when handling medium viscosity fluids 50 to 500 centipoise Aqueous solutions and light solvents work well but my exhibit some sensitivity fluid slip to variations in discharge head pressure Gums gels and non abrasive semi solids are handled with a high degree of accuracy a direct result of the valveless design Viscous tacky solutions semi solids and heavy slurries which tend to resist cavitate suction flow into a pump head can be handled with ease by selecting a slower reciprocation rate pump speed The principal flow rate deviations of a VmP pump are fluid slip and stroke repetition rate These two factors in turn are related to load factors such as visc
8. ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual Zaxis Valveless Metering Pump User Manual Precision fluid metering with ultra fine electronic adjustment OSEE Displaceme t Erra auiem E j i e A 1 Wa G FT _ Zaxis Inc 79 W 4500 S Unit 21 Salt Lake City UT 84107 USA Phone 801 264 1000 Fax 801 265 8413 Email sales zaxisinc com Web address www Zaxis com US Patent Pending 1 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual Table of Contents Item Description Page TOUS rrr kr PN a 4 kile Sacy Tn IONS ss j 4 L2 Theory of Operation yc citi b Maca eels iii 5 L3 METE Features and CombObEe A aos 5 amp 6 14 Matenalsor CONSUL A A A Medea E J 2 By AAA na na rk 9 2 4 Electronic Conttollet aaa an in kon ob an naa 9 O MOdulE Sean ment a O onta deus 9 22b Meeting Head Ditty 6 Motor eh Pakem ani nama aia ote sae as each Mrs Sd LOS SEE DU 10 222 Ulhtrasbime Precision Stoke Adj UStine nt MOLDE ken ni iia 10 22 9 OrokeAdustment IVS CAM SI A A BN um 10 23 O Style Meterime Head OSM emet 11 Dole Meter Head AA da ad 11 2 4 Metering Head Motor Module Mounting ooo aa 12 A 13 5 15 CES A A A oa 13 32 Controller Keypad NO O a AAA AS A mah Ne AS A una 14 35 TN PICA Appa A AAA A AAA RS 17 S
9. al 7 3 Metering Head Reassembly 7 3 1 Lubrication Pump drive elements are provided with oil fittings at all appropriate points Use high grade machine oil at regular intervals A small amount of premium grease on the Piston Drive Pin just before it is inserted into the Radial Bearing in the Spindle Assembly greatly increases the life of the pin and the spherical bearing This joint is lubricated at the factory prior to shipment US Patent Pending 27 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 7 4 Parts List ye ge 53 47 45 Note Item 30 is not shown 4 33 37 48 55 46 18 Metering Head Item 8 10 gt 11 N i US Patent Pending 28 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual See Excel spreadsheet Doc No ZD001 04 ORG for Bill of Materials US Patent Pending 29 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 7 5 Recommended Spare Parts List The metering head is the only serviceable component in the VmP system The components included are items 8 17 on the bill of materials page 27 The cylinder liner and piston are matched sets and must remain together to function properly If for some reason the cylinder liner or piston is damaged it is best to replace both components All the seals are readily serviceable although care must be taken during disassembly and reassembly Call Zaxis for more information regarding spare par
10. amage to the lip while passing over the flat to the piston neck Then remove seal and reverse lip direction Gently place one formed Lip Seal ZR408 on the piston lip side first Carefully rotating the seal on the piston until 1t is past the flat and on the piston neck Gently place one formed Lip Seal ZR408 on the piston lip side last Carefully rotate the seal on the piston to avoid damaging the lip while passing it over the flat to the piston neck Insert piston into cylinder approximately one inch Apply Gland Nut ZR406 to cylinder threads and tighten US Patent Pending ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 7 2 4 Piston Seal Setting After installing new lip seals part ZR408 in metering head it is recommended that the seals be set formed in place by fluid pressures generated by metering action To accomplish this a Operate the metering head spindle clockwise for b Reverse the metering direction and intermittently 10 to 20 strokes at maximum setting handling block this same line This will generate pressure in the water with the suction line blocked or pinched off seal area of the metering head causing the inner seals This will create a vacuum in the metering head to form intimately around the piston permitting atmospheric pressure to shape the outer seal member tightly around the piston US Patent Pending 26 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manu
11. and operating instructions Warning Fire Electrical shock or explosion may occur if used near combustibles explosive Atmosphere corrosive air wet environment or submerged in fluid Turn off electrical power before checking pump for any problems Caution Fire electrical shock injury and damage may occur f not used in accordance with VmP specifications and operation instructions e Connect motor controller or any other electrical devices based on VmP specifications Any unauthorized work performed on the product by the purchaser or by third parties can impair product functionality and thereby relieves VmP of all warranty claims or liability for any misuse that will cause damage to product and or injury to the individual e Do not operate drive assemblies that require a hard mount to be bolted down unless they are mounted per VmP specifications if not injury may occur and or damage to unit e Power cables and leads should not be bent pulled or inserted by excessive e Do not touch any rotating pump or motor components injury may occur force Otherwise there is a threat of electrical shock of fire e Replace any inline fuses only with fuse rating as specified by VmP e Do not run pump dry unless designed for that service Running dry is harmful to the pump and will cause excessive heating due to internal e When pump drive is under operation never point discharge tubing into face friction or touch any rotating components of
12. and simple linear calibration F u SUCTION gt CROSSOVER gt STROKE POINT The piston rotates and and crossover occurs As the inlet reciprocates As the piston is pulled back and the piston flat opens to the inlet port suction is created and fluid fills the pump chamber As the piston reaches the highest point in the reciprocation cycle the pump chamber is now at its maximum volume capacity Continuing the rotation the inlet port is then sealed port is sealed and the pump chamber is full the outlet port opens up Only one port is open at any time and at no time are both ports interconnected Metering Head Features and Components V V V V V WV US Patent Pending Low liquid shear 99 8 pure AL O3 One moving part in contact with fluid Displacement adjustable Low dead volume Abrasion resistant ME DISCHARGE gt CROSSOVER E STROKE POINT Continuing the rotation and and crossover occurs As the reciprocation the piston is forced down and the piston flat opens to the outlet port Discharge is created and fluid is pumped out The piston bottoms for maximum fluid and bubble clearing Continuing the rotation the outlet port is then sealed V V V V V V MY outlet port is sealed and the pump chamber is empty the inlet port opens to start another suction stroke Only one port is open at any time and at no time are both ports interconnected Self priming Reversible Valvel
13. averaging many dispensed shots 2 2 3 Stroke Adjustment Mechanism SAM The patent pending linear adjustment control mechanism smoothly transfers control from the UPSAM to the metering head angle plate The SAM accomplishes this transfer of control with zero backlash to accommodate accuracy and repeatability EF fi ti Es e s C Le ce o r US Patent Pending 10 VmP 2 3 Q Style Metering Head QSMH The third element in the VmP system is the metering head This head is in line with the fluid path and is designed to be detached for ease of cleaning and autoclaving The metering head is a piston cylinder arrangement utilizing positive displacement The heart of the metering head is the piston comprised of a high density AL5O ceramic and or strengthened and polished zirconia ceramic YTZP Each piston and cylinder set must pass a stringent quality control procedure which includes measuring the component to 10 millionths of an inch 316 stainless steel Delrin Tefzel and Kynar are just a few of the many materials available for the metering head Some of the benefits are Low Friction The ceramic piston operates within the ceramic liner with no lubrication other than the fluid being metered gt Hardness The ceramic materials are extremely hard and resist abrasion resulting in a system that exhibits little to no wear even after hundreds of millions of cycles 2 3 1 Metering Head Charact
14. can be mounted in a bulkhead or panel It also can be mounted into a stand and set on the bench or tabletop refer to section 2 4 Metering Head Motor Module Mounting Metering Head Construction Piston and cylinder lining are Sapphire hard fused crystalline alumina 99 Aluminum Oxide Motor Module body is constructed from 6061 Aluminum with surface black anodizing Capacity Maximum Dispense Rate Total displacement TD Heads are interchangeable 0 32ml TD 1ml sec 0 65ml TD 2ml sec 1 25ml TD 4ml sec US Patent Pending 20 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual Minimum Dispense 5 of full scale Minimum Dispense Rate lt 0 01uL sec Stroke adjustment 0 0144uL per step Stepper motor linear actuator Drive Motor Stepper motor 1 8 degree 200 steps per revolution One complete revolution equals one stroke Ambient Temperature 4 35 C without condensation Life expectancy 84 million cycles Accuracy 5 of full scale Repeatability 1 of full scale 5 3 Metering Heads US Patent Pending 21 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 6 Troubleshooting Problem Possible Solutions Blow By Inconsistent Shot Size e Blow by e There is air in the meter barrel Air entering the meter fluid during filling of the barrel Air entering the meter fluid as a result of excessive pullback Meter speed to great for fluid viscosity and needle combi
15. chance of cavitation For the best metering performance use rigid PE tubing with an equal or smaller inside diameter than the inlet tubing for the Outlet Discharge side of the pump This will reduce the peristaltic action Strokes Per Minute spm recommendations For fluids of 500cps viscosity or less a stroke rate of 120 350spm maximum is ideal For fluids with greater than 500cps a slower rate is recommended Controller Keypad Navigation Moving around the Keypad is quite simple The Keypad has 16 tactile feel keypads giving the user positive control feedback while operating the metering pump Metering information is read on a bright 2 x 20 character LED display Use the function keys F1 F4 to select the parameter to be programmed Once selected increment and decrement the values using the keys 3 1 1 Home Screen HOME This is a good place start As a standard practice push this button if any question At that point the function buttons F1 F2 and F3 are accessible Vol is indicated above F 1 function buttons Push F1 Now you are ready to set shot size For example 3 2 2 will illustrations how it will appear The CURSOR will be blinking on the value above F2 Using the Keys Increase or decrease the volume The units of measurement are milliliter US Patent Pending 13 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual Push II to enter Yes or NO will appear If you push yes then the new vo
16. dditives catalyst for foundry resins plating bath regeneration petroleum additives photo chemicals inks monomers and adhesives Instrumentation Used for all kinds of precision instruments and monitors including titrators TOC SO monitors chromatographic systems and humidity control Precision Cleaning Used for metering of concentrated cleaning agents used in automated washers for laboratory glassware amp mechanical components as well as the metering of ultra concentrated liquid car wash detergents Automotive Used extensively in hydrogen fuel cell research amp development for both the humidification and fuel injection systems For metering insulating and encapsulating coating materials in the manufacture of stators armatures and distributors Also used in instrumentation to verify gasoline octane rating Battery Manufacturing Used for precision metering of electrolytes amp slurries into batteries as well as for lubrication of fine blanking machines used to form and stamp battery components Cosmetic amp Hygiene Used for precision metering of pigments used in cosmetic color mixing systems Also used for moisture control and fragrance addition in the manufacture of diapers and sanitary napkins US Patent Pending Valveless Metering Pump User Manual ZDC001 03 ORG doc Electronics Manufacturing Used for metering of ceramic slurries in the manufacture of capacitors and diodes Used for the metering of in
17. e Suction Port down This orientation will allow air bubbles that enter the pumping chamber to directly exit through buoyancy assistance There are 3 10 32 threaded mounting holes see illustration below that surround the 1 960 dia 49 8mm pump clamp boss on the Precision Hinge Plate PHP This allows bulkhead mounting thru front panels used in automation The SAM stays mounted when doing removal of the pump head only 688 688 1 10 32 UNF Thru 2 201 1 286 1 125 2 10 32 UNF Thd Holes 38 Deep 2 670 51 960 Clamp Boss Precision Hinge Plate PHP 1 1 2 Conduit Punch US Patent Pending 12 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 3 Getting Started Upon unpacking inspect all the components to make sure they are all present and that no damage has occurred Remember to register your pump head with Zaxis Inc They have three convenient ways to do so Mail your registration form to Zaxis Inc Call Zaxis Inc or register on line 3 1 General Set up Connect the controller to an appropriate power source 90 240VAC 60 50Hz Connect the patch cable to the controller s 16pin circle DIN connector and the other end to the pump connector the cable can only be connected one way With the pump mounted the tubing can be connected The most resilient tubing with the largest inside diameter possible must be used for the Inlet Suction side of the pump This will minimize the
18. eristics Valveless Metering Pump User Manual ZDC001 03 ORG doc Chemical Compatibility The QSMH has a ceramic and fluorocarbon fluid path giving the pump are compatible with most acids and bases The natural crystalline structure of our ceramics displays zero porosity which ensures Zero retention and carryover of one biological fluid to the next Stability The ceramic materials are extremely stable allowing for precision machining Diamond tooling is used to produce parts with close running fits 100 millionths of an inch standard Self Sealing Design The combination of the ceramic material s physical characteristics of low friction hardness and stability allows for the head to be sealed by the close clearance of the piston cylinder fit This means that no compliant seals are used thus eliminating a part that requires frequent replacement in traditional pump designs The QSMH has a ceramic and fluorocarbon fluid path giving the pump excellent chemical resistance The QSMH has two flow rate ranges the STO high flow range 0 1 28ml or the STH low flow range 0 100ul The QSMH can yield an accuracy of 1 or better and has a Cv of 0 5 or better US Patent Pending 11 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 2 4 Metering Head Motor Module Mounting For optimum pump performance it is recommended that the VmP metering pump be mounted in a vertical position with the Discharge Port up and th
19. ess operation Self sealing design Durability Chemically inert Autoclavable ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual Mia Item No Component Description 2 Stroke Adjustment Motor d 3 Sensor Flag Screw 4 Pillow Block 5 Drive Link 6 Mount Plate 7 Metering Head 8 Metering Head Clamp 9 Metering Head Angle Arm 10 Spindle Assembly 11 Sensor Flag Metering Head 12 Motor Module Body 13 Metering Head Location Sensor 14 Stroke Home Sensor 4805 1 US Patent Pending 6 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 1 4 Materials of Construction VmP wetted components are fabricated of carefully selected materials Each one has discrete characteristics of physical strength abrasion resistance and dimensional stability under varying conditions of pressure temperature and resistance to attack by certain chemicals Since no one material possesses all of the characteristics required to handle all chemicals under all possible conditions Zaxis offers a selection of materials of construction for each pump component that fluids contact during the pumping process These components and materials are identified on page of the catalog by code designation common usage names and trade names General characteristics are as follows C Ceramic Ceramic is used in most of the pumps for piston and or cylinder liners Ceramic pistons may be used with ceramic
20. expense of the customer Zaxis is not liable for special indirect or consequential damages that may result from use failure or malfunction of the product and any recovery against Zaxis may not be greater than the purchase price paid for the product No person is authorized to change the terms of this warranty US Patent Pending 31 VmP 9 Electrical Schematics and Cable Pin out Valveless Metering Pump User Manual 9 1 YO Connector Pin TT Wire No I O Description Color 1 Chassis Ground NC 2 3 Dispense A Green 4 Dispense A Blue Dispense B Red 6 Dispense B Yellow 1 Adjust A Red 8 Adjust A Blue 9 Adjust B Green 10 Adjust B Black 11 Sensor Red 12 Sensor Black 13 Dispense Emitter Green 14 Adjust Emitter Green 15 Dispense Collector White 16 Adjust Collector White Note Black and White are common Brown and Orange are common US Patent Pending ZDC001 03 ORG doc 32 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 9 2 Motor Module 9 2 1 Metering Drive Motor 9 2 2 Stroke Length Motor 9 3 Sensors US Patent Pending 33 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 10 Glossary of Terms Administrator Individual responsible for the implementation and management of the meter system Bore Inside diameter of the barrel Centipoise cP A centimeter gram second
21. lume will be entered and the pump adjustment will drive to home and then to the appropriate stroke length If you push NO then the old Volume will remain And the adjustment will not occur CYCLS In the 3 2 2 illustration it displays a 1 above F1 That will allow the pump to rotate only one revolution 1 e volume of 0 1750ml Al If you were to push F1 the CURSOR would start blink at CYCLS Using the keys you can increase or decrease the number of cycls Each cycle is equal to one Revolution of the pump motor Notice the controller will total the dispense volume e g program a 2 in the case of the illustration 3 2 2 would total 0 350ml A Press to start the Dispense US Patent Pending 14 Vm P Valveless Metering Pump User Manual 3 1 2 Metering Setup Display a Cycls Shot Total 1 0 1750 0 1750 3 1 U Program Change Display ZDC001 03 ORG doc US Patent Pending ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 3 1 4 Motor Direction Al US Patent Pending 16 VmP 3 2 Typical Applications gt Medical Used for precise dispensing aspirating rinsing amp mixing systems and for syringe pump replacement in diagnostic clinical chemistry dialysis and medical equipment manufacturing Also used for dispensing adhesives and lubricants used in assembly of disposable medical components Industrial Used for accurate metering and mixing of paint amp pigment a
22. ly programmable controller and a superior metering head A linear stepper actuator makes ultra fine adjustments to the angle of the pump thereby changing the quantity of metered liguid This technology employs diamond honing and internal modifications to provide enhanced fluidic movement of solutions varying in viscosity and surface tension This type of pump is valveless and has only one moving part the piston This translates into millions of maintenance cycles 84 000 000 When you do have to conduct maintenance 1t 1s a simple task to disassemble and reassemble minimizing down time Combined with the Vmp electronic controller this system can achieve a high degree of accuracy when metering fluids Controlling the synchronized rotating and reciprocating movement allows the Vmp controller to accurately maintain the displacement of the piston Since the piston is manufactured from ceramic the pump assembly can be manufactured to extremely tight tolerances insuring accuracy and repeatability This pump design eliminates the need for external supply and discharge valves one port of the pump is open while the other is closed and visa versa never allowing both ports to interconnect The Vmp will change the way industry meters fluids l l Safety Instructions please read before operating controller and pump SAFETY INSTRUCTIONS Caution Before using any equipment read the following safety instructions as well as specific product specifications
23. nal RS 232 communication alarm systems and cycle outputs are a few of the optional control features available 2 2 Motor Module The second component forming VmP s metering system is the motor and base assembly A 5ft shielded motor cable is available for connection to the controller allowing even greater mobility and flexibility Note Cable length can be adjusted to your application The base assembly is manufactured from 6061 T6 anodized aluminum and the assemblies are designed for both tabletop use or panel mounting with OEM equipment US Patent Pending ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 2 2 1 Metering Head Drive Motor The metering head drive is a standard Nema 23 frame 1 8 step hybrid stepper motor For wiring diagram and detailed motor specifications refer to section 8 2 2 2 Ultra fine Precision Stroke Adjustment Motor UPSAM The stroke length linear actuator 1s a standard Nema 17 frame 1 8 step hybrid stepper motor with a non captive 10 32 lead screw through the center of the armature This simple design results in considerable space savings The user can make minute adjustments via the control keypad to the angle of the metering head stroke length With the stroke length controlled so precisely the displacement is infinitely adjustable between as 0 to 1280 ul 1 28 ml The adjustment revolution 1s 0 014uL per step This amount is difficult measure without
24. nation US Patent Pending 22 VmP Valveless Metering Pump User Manual ZDC001 03 ORG doc 7 Service L l Metering Head Removal and Disassembly a To remove Q Style Metering Head OSMH 1 Ze Turn power off Via the controller adjust the QSMH to maximum stroke length Rotate Spindle Assembly 200141 1 so the Piston Drive Pin is pointing towards the connection linkage Remove the 4 6 32 cap screws from the clamp collar securing the OSMH see illustration Carefully lift the OSMH away from the Precision Slide clamps to the side freeing pump head A Cr e y Remove 4 6 32 Cap Screws Hinge plate Rotate the QSMH as it is lifted so that the suction port and the discharge port approach horizontal level Once this is accomplished the Piston Drive Pin can be slide out of the spherical bearing in the Spindle Assembly This should free the QSMH from the Motor Module Caution Pull piston from Cylinder Case just enough to remove the QSMH from the Motor Module Damage to the Piston Seal will result if the Piston extends from the Cylinder Case an excessive amount b To replace the QSMH With Piston ZR423 extended approximately 1 1 4 from Cylinder Nut ZR406 S and the piston Drive Pin pointing toward the connection linkage insert Drive Pin into the Spherical Bearing in the Spindle Assembly Slide the QSMH into position on the Precision Hinge Plate making
25. osity differential pressure and drive motor voltage When these two factors are controlled the VmP will handle most fluids with reproducibility of better than 0 596 Importance of clean fluids Caution must be exercised in the use of abrasive fluids in any metering pump Abrasives in the pumped fluid may damage cylinder and piston surfaces and should therefore be avoided Carbon cylinder liners and stainless steel pistons are particularly susceptible to abrasion by particulate matter in the pumped stream Ceramic piston cylinder components are more tolerant of suspended solids except for those solids that tend to flock and impede the movement of the piston in the cylinder Compatible fluids Pump only fluids compatible with the materials of construction of the pump head you have selected see section 1 4 For best pumping results Select a VmP pump having maximum flow rating as near to the desired flow rate as possible Wet Operation The pumped fluid provides surface cooling and lubrication to the piston and cylinder of the VmP pump Therefore avoid dry operation Piston Seals The ZR408 seals that keep the pump piston dry are precisely cut and hot formed from sheets of a chemically inert fluorocarbon specifically formulated for resistance to wear abrasion heat and chemical attack Each ZR408 seal possesses an exceptional mechanical memory allowing them to maintain a relatively constant wiping pressure on the piston compensating for seal wear a
26. pump In a power down thermal e Fittings screwed too tightly into stainless steel pump heads will contact port overload cut in condition unplug or turn off power to pump Always allow a seals and may cause piston cylinder damage Use extra layers of Teflon tape cool down period before restarting otherwise injury or damage may occur on threads when necessary to avoid such excessive fitting penetration e For 30 seconds after power is removed from pump drive do not touch any e Check pump rotation and inlet outlet pump port orientation before output terminals Electrical shock may occur because of residual voltage connecting power to pump If not injury may occur e Do not operate with wet hands e When pulling cords from outlets do not pull cord grasp plug to prevent plug damage or electrical shock e VmP drive motors become HOT and can cause a burn DO NOT TOUCH US Patent Pending 4 VmP ZDC001 03 ORG doc Valveless Metering Pump User Manual 1 2 Theory of Operation The valveless pumping function is accomplished by the synchronous rotation and reciprocation of the ceramic piston in a precisely mated ceramic cylinder liner One complete piston revolution is required for each suction discharge cycle as shown The piston always bottoms for maximum fluid and bubble clearing Moving the pump head position changes the piston stroke length and in turn the flow rate Flow rate indication through the controller provides for accurate
27. s it occurs Properly maintained in clean condition the original seals can last the life of the pump If they are removed for any reason they should be carefully cleansed of all foreign particles prior to re assembly Seal seats must also be free of particles see section US Patent Pending 18 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 3 4 Adjusting Metered Volume 3 5 Metering Hints 4 Control Keypad Description advanced operation 4 1 Keypad Keying Guidelines 4 2 Detailed Button Function 4 3 Typical Keypad Navigation 5 Electrical Physical Specifications 5 1 Electronic Controller ELO Physical Specifications Dimensions 7 25 x 7 38 x 3 18 Weight 2 5 lbs Material of Construction Painted aluminum sheet metal with white non marring rubber feet Electrical Specifications Power 90 260VAC 50 60Hz Std IEC 320 connection Operating Current 75mA idol 392mA peak 350mA avg Fuse 5mm x 20mm Y Amp Time delay located behind the outer panel in the power entry module Foot Switch Dry Contact Com 1 Serial port Com 2 Customizable I O Interface with pump US Patent Pending 19 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 5 2 Motor Module 3 72 With the connector the length will be 16 0 Physical Specifications Dimensions 6 80 x 5 72 15 with conn x 2 96 Weight 3 5 lbs Mounting The Motor Module
28. sulating and encapsulating materials used in electric motor manufacture addition of flux for wave soldering equipment metering of mercury for switch manufacturing and metering of semiconductor wash amp etch solutions Pilot Plant Used for research development and testing of a wide range of process applications including chemical synthesis water amp waste treatment power plants pharmaceutical manufacturing petroleum refining photo finishing and more Environmental amp Pollution Control Used for sampling of stack gases ground water and wastewater as well as injection of monomers polymers and treatment chemicals for water amp waste TCLP and more Food amp Dairy Used for candy coating and polishing vitamin fortification for milk addition of flavors colors and preservatives hops for brewing and sanitizing agents for aseptic packaging Also used for sample and reagent fluid control in milk analyzers and other food quality control instrumentation Spraying Systems Used for the injection of insecticides herbicides and agricultural nutrients Also used in ULV spray equipment for mosquito control Metering Systems Used for metering of solvents UV adhesives lubricants reagents and mercury in the manufacture of medical disposable components electronics pharmaceuticals computers and calibration equipment 17 ZDC001 03 ORG doc Vm P Valveless Metering Pump User Manual 3 3 Application Tips
29. sure the body of the Cylinder Nut seats into the locator bore Place the Pump Clamps over the hex on the Cylinder Nut and replace the 4 6 32 cap screws tighten until pump is secure DO NOT over tighten damage may result US Patent Pending 23 Valveless Metering Pump User Manual Metering Head Cleaning 7 2 1 Standard Cleaning Requirements Routine flushing with solvent before shut down will suffice for most applications set pump for maximum stroke and operate until solvent appears clear at discharge port If periodic teardown for detail cleaning 1s required remove parts with care to avoid damage to piston cylinder and gland Wipe all parts with lintless oil saturated cloth Operate by hand after reassembly to assure free movement of parts prior to application ofpower Caution Ceramic piston cylinders sets are particularly sensitive to neglect and may freeze 1f allowed to dry out without adequate cleansing One way to avoid the Piston from freezing in the Cylinder Liner is to remove the piston from the cylinder after solvent cleaning and store the component parts in disassembled condition until the pump is again required Another method is to fill a loop of flexible tubing with fluid that will thin or neutralize the last fluid pumped Then connect one end of the tube to the pump suction port the other to the discharge port With this loop positioned above the pump head the ceramic US Patent Pending Z
30. ts US Patent Pending 30 ZDC001 03 ORG doc Tm P Valveless Metering Pump User Manual 8 Warranty ONE YEAR LIMITED WARRANTY Zaxis Inc Limited Warranty Zaxis products are manufactured to a high level of mechanical precision from materials that are resistant to attack by many corrosive chemicals These products however may be self destructive when used with non compatible fluids or when located in physically hostile environments or when operated under non specification voltage or pressure conditions Zaxis therefore warrants only as follows Each metering head has been test operated with water to rated pressure prior to shipment from the factory The gualifying performance of each metering head is recorded by serial number in a permanent record of the company If at any time with in the first year after any Zaxis product has been shipped to a customer user it fails to perform according to Zaxis literature the product with written explanation of the problem may be returned freight prepaid to Zaxis for examination repair or replacement at Zaxis expense labor and material All such returns must have prior Zaxis customer service authorization before returning If upon examination Zaxis determines that abusive practices non compatible fluids or destructive environment of operation or a combination of these factors is responsible for improper performance of the product all labor and materials costs involved shall be at the
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