Manual - Nexen Europe
Contents
1. LINEAR MOTION CONTROL PRODUCTS User Manual 2 Brake 15 RB20 25 RB35 and RB45 FORM L 21182 E 0606 In accordance with Nexen s established policy of constant product improvement the specifications contained in this manual are subject to change without notice Technical data listed in this manual are based on the latest information available at the time of printing and are also subject to change without notice Technical Support 800 843 7445 651 484 5900 www nexengroup com DANGER Read this manual carefully before installation and operation Follow Nexen s instructions and integrate this unit into your system with care This unit should be installed operated and maintained by qualified personnel ONLY Improper installation can damage your system or cause injury or death Comply with all applicable codes Nexen Group Inc 560 Oak Grove Parkway Vadnais Heights Minnesota 55127 ISO 9001 Certified Copyright 2006 Nexen Group Inc FORM NO L 21182 E 0606 2 Table of Contents 4 KOGU OO 4 4 4 70 00 MOUNU ON lt GaP ACU 6 PAGUON ease aCe ROPA COMON aei aia 7 7 7 WNT aa aaa 8 3 FORM NO L 21182 E 0606 INSTALLATION REQUIRED TOOLS Accessories e Clean pressurized air e 4mm 5 32 inch soft air2. any court of competent jurisdiction that any remedy herein fails of its essential purpose Limitation of Damages In no event shall Nexen be liable for any consequential indirect incidental or special damages of any nature whatso ever Including without limitation lost profits arising from the sale or use of the Products Warranty Claim Procedures To make a claim under this warranty the claimant must give written notice of the alleged defect to whom the Product was purchased from and deliver the Product to same within one year of the date on which the alleged defect first became apparent Nexen Group Inc 800 843 7445 560 Oak Grove Parkway Fax 651 286 1099 Vadnais Heights MN 55127 www nexengroup com ISO 9001 Certified FORM NO L 21182 E 0606 8
3. complete Air Inlet Port disengagement NOTE For faster engagement and disengagement install the valve close to the Rail Brake Increasing air pressures will also speed the disengagement time but do not exceed 6 9 bar 100 psi air pressure Figure 1 FORM NO L 21182 E 0606 4 MOUNTING ON A RAIL NOTE Rail Brake must be disengaged with a minimum of 80 psi before mounting a rail Apply air pressure to disengage the Rail Brake Refer to AIR CONNEC TIONS for details NOTE The Rail Brake friction facing gap is set at the factory to accommodate standard rails If the gap is too tight for easy installation see the FRICTION FAC ING GAP ADJUSTMENT section for details Optimum facing gap is 0 002 0 003 inches 1 Apply air pressure to disengage the Rail Brake 2 Slide the Rail Brake onto the end of the rail X end first Position the Rail Brake close to its final mount ing position Refer to Figure 2 NOTE The Rail Brake does not have an internal bear ing system so it must be indirectly tied into a linear bearing system 3 Release air pressure to the brake before completing step 4 4 Using customer supplied bolts fasten the customer supplied mounting plate to the Rail Brake and rail bearing Refer to Table 1 for Bolt Sizes Refer to Figure 3 for mounting configuration NOTE Align both the Rail Brake and bearing to the same reference edge on the plate to ensure accurate positioning of the brak
4. discretion of Nex en a repair or replacement with new serviceably used or reconditioned Product or issuance of credit in the amount of the purchase price paid to Nexen by the Buyer for the Products Limitation of Nexen s Liability TO THE EXTENT PERMITTED BY LAW NEXEN SHALL HAVE NO LIABILITY TO BUYER OR ANY OTHER PER SON FOR INCIDENTAL DAMAGES SPECIAL DAMAGES CONSEQUENTIAL DAMAGES OR OTHER DAM AGES OF ANY KIND OR NATURE WHATSOEVER WHETHER ARISING OUT OF BREACH OF WARRANTY OR OTHER BREACH OF CONTRACT NEGLIGENCE OR OTHER TORT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SUCH POTENTIAL LOSS OR DAMAGE For all of the purposes hereof the term consequential damages shall include lost profits penalties delay images liquidated damages or other damages and liabilities which Buyer shall be obligated to pay or which Buyer may incur based upon related to or arising out of its contracts with its customers or other third parties In no event shall Nexen be li able for any amount of damages in excess of amounts paid by Buyer for Products or services as to which a breach of contract has been determined to exist The parties expressly agree that the price for the Products and the services was determined in consideration of the limitation on damages set forth herein and such limitation has been specifically bar gained for and constitutes an agreed allocation of risk which shall survive the determination of
5. OTE The Rail Brake assembly is designed for extended service life Due to this long product life stored spring energy and the complexity of the internal components Nexen recommends that all service be performed by trained personnel Do not attempt to remove or dismantle any part of the Rail Brake assembly This product is spring loaded and under pressure If the product malfunctions replace the unit or contact Nexen 7 FORM NO L 21182 E 0606 WARRANTY Warranties Nexen warrants that the Products will be free from any defects in material or workmanship for a period of 12 months from the date of shipment NEXEN MAKES NO OTHER WARRANTY EXPRESS OR IMPLIED AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION IMPLIED WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED This warranty applies only if a the Product has been installed used and maintained in accordance with any applicable Nexen installation or maintenance manual for the Product b the alleged defect is not attributable to normal wear and tear c the Product has not been altered misused or used for purposes other than those for which it was intended and d Buyer has given written no tice of the alleged defect to Nexen and delivered the allegedly defective Product to Nexen within one year of the date of shipment Exclusive Remedy The exclusive remedy of the Buyer for any breach of the warranties set out above will be at the sole
6. e to the rail The optimum facing gap is 0 002 0 003 inches Rail Brake Figure 2 Table 1 Bolt Size M5 x 0 8 M6 x 1 0 M8 x 1 25 M10 x 1 5 M12 x 1 75 FORM NO L 21182 E 0606 FRICTION FACING GAP ADJUSTMENT Friction Facing Gap Adjustment may not be necessary in all instances Gap Is factory set to accommodate standard Rail Brake rail sizes Before adjusting the gap try sliding the Rail Brake onto the rail If the fit is too tight follow the adjust ment steps below NOTE To achieve its high force the Rail Brake must maintain a close fit with the sides of the rail 0 002 0 003 The Rail Brake should have a sliding fit with the rail A small amount of drag should be expected Rail Brake Guides are threaded into the Housing and are restricted from rotating by a Nexen label that goes between the Housing and the Guide Refer to Figure 4 Nexen Label Figure 4 1 Apply air pressure to disengage the Rail Brake 2 Cut the label between the Housing and the Guide using a straight edge Leave the label in place so it can act as reference to the original position of the Guide 3 Adjust the position of the facing by turning the Guides on each side of the Housing counterclock wise to back the Guides out of the Housing Refer to Figure 5 A quarter turn should be sufficient to widen the friction facing gap enough for the Rail Brake to side onto the rail 4 Slide the Rail Brake onto the rail P
7. osition the Rail Brake close to its final mounting position Refer to Figure 2 Figure 5 5 Release the air pressure to center the brake on the rail 6 Using customer supplied bolts fasten the customer supplied mounting plate to the Rail Brake and rail bearing Refer to Table 1 for Bolt Sizes Refer to Figure 3 7 Apply 80 psi air pressure to the brake 8 Turn the Guides on each side of the Housing to achieve 002 003 clearance between the rail and the brake facing FORM NO L 21182 E 0606 6 FRICTION FACING REPLACEMENT DANGER Support the load before disengaging the Rail Brake Failure to support the load may result Rail Brake in serious injury or death 1 With the load supported remove the customer supplied bolts from the Rail Brake to free it from the Friction Faci plate bearing assembly riction Facing Assembly 2 Apply air pressure to disengage the Rail Brake 3 Slide the Rail Brake off the rail 4 Using an Allen wrench remove the socket head screws and springs that fasten each Friction Facing Socket Head to the Rail Brake and discard the old Friction Facing Refer to Figure 6 Screw Figure 6 5 Apply a thread locking compound to the socket head screws 6 Position the new Friction Facings on the Rail Brake and hand tighten the socket screws 7 Follow the instructions in the INSTALLATION sec tion to reinstall the Rail Brake SERVICE RESTRICTIONS N
8. tubing e Mounting bolts and appropriate wrench Air valve See Table 1 e Quick exhaust valve optional AIR PREPARATION NOTE Nexen s Rail Brake units require clean pressure regulated air to maintain product function Lubricated air may be used but it is not required The seals in all Nexen Rail Brakes are lubricated at the factory to ensure optimal performance and a long product life gt WARNING While the lubricated air will keep the seals well lubricated it may wash away the factory applied lubrication over time For this reason once lubricated air is used with a Nexen Rail Brake it must always be used Discontinuing use of lubricated air may cause seal failure The most effective and economical way to lubricate Nexen Rail Brakes is with an Air Line Lubricator which inje oil into the pressurized air forcing an oil mist into the air chamber Synthetic lubricants are not recommended AIR CONNECTIONS Support the load before disengaging the Rail Brake Failure to support the load may result in serious injury or death The Rail Brake is equipped with one air inlet port used to disengage the brake Refer to Figure 1 for location NOTE Clean air is important for proper Rail Brake functioning Debris inside the Rail Brake may inhibit performance and or decrease product life 1 Route clean air to the Rail Brake using soft lines S lv ad Disengagement upply adequate air pressure to ensure
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