Moulding Knife Attachment SVP-80
Contents
1. Moulding Knife Attachment SVP 80 4 MOULDING KNIVES ae oki 38 mm Max width 100 mm 30 mm Sharpens knifes with 24 30 or 38 mm distance between guide hole centres Not suitable for knives without guide holes PROFILED PAINT REMOVAL BLADES Setting the jig Grinding Design See illustration on the next page The jig comprises a base 1 a knife holder 2 an extra Universal Support 3 with micro adjust 4 and two pairs of hollow pins 5 and 6 for the knife holder The base is mounted on this extra Universal Support and on the existing Universal Support of the machine The base is locked with the screw 7 An arm 8 which is locked with an adjustable hand lever 9 stabilizes the construction The knife is placed on the pair of hollow pins on the knife holder A magnet 13 keeps the knife in place The holder has holes to fit various knife standards Two pair of pins 4 and 5 mm come with the jig The knife holder 2 glides on the base 1 which has PTFE surfaces to minimise the friction The knives are ground on the face Adjusting the nut on the horizontal Universal Support sets the grinding depth 133 Existing Universal Support A Mounting the jig To minimise the packaging the Use the pair of pins which f2. elow by loosening the micro keep it in place the knife clear of the stone adjust 4 and moving the Adjust the Universal Support Universal Support towards 3 with the micro adjust 4 so the machine Secure with the knife lightly touches the the locking knob c grindstone Note Start with a grinding depth of 0 05 mm 0 002 This corresponds to a turning of the micro adjust 4 by one mark If necessary increase the grinding depth by turning the nut another mark Lock the base with the screw 7 and stabilize it by locking the arm 8 so that the base lies steadily without any play on the horizontal Universal Support The two Universal Supports now work in unison and make the assembly stable 135 Sharpening Grind the knife by sliding the Move the holder sideways gradually while still moving it up and holder up and down covering down between the left and right hand stops in the base the full width of the knife Note The up and down movement should be made without too much pres sure Move the holder rather rapidly at the end of the sharpening approx one stroke per second and you will get the most even surface Continue sharpening until almost no steel is being removed Rotate the knife holder 180 Continue sharpening Move the knife holder between the left and right hand stops in the base Now the whole knife should be evenly gro
3. it the Mount the arm 8 with the two knobs 11 are not mounted hole diameter of the knife and hand lever 9 and the nut Mount them by a light knock mount them in the two holes 12 Adjust the lever to the with a hammer Be sure to have which fit the knife Compress most suitable position a flat support under the holder the pins with a pair of pliers and push them fully into the holes Checking the Grindstone Check that the grinding wheel is exactly round and that the grinding surface is even Adjust if necessary with the Tormek Truing Tool TT 50 134 Mounting and setting the jig Mount the extra Universal Sup Lock the vertical Universal Slide the base 1 onto the port 3 in the horizontal base Support approx 25 mm 1 vertical Universal Support until and the original Universal Sup from the stone This is valid for it touches the leg of the support port which on older machines a250 mm 10 stone diameter a Let the lower part b of does not have a micro adjust For a smaller stone diameter the base rest on the horizontal in the vertical sleeves the distance should be reduced Universal Support The arm 8 should be inactive at this stage o o o e i i j 3 Place the knife on the knife Position the knife holder 2 in Set the grinding depth see holder and the magnet will the middle of the base 1 with b
4. und Note When the first knife has been ground you do the other knife without changing the setting Max Reduction of the Knife Thickness The knife must not be ground so many times that it becomes too thin and loses its strength It should not be decreased more than 0 3 mm 0 012 from its original thickness A normal grinding reduces the thickness with 0 05 mm 0 002 This means that you can sharpen a knife 6 times before it becomes too thin Honing The burr which remains on the bevel side should be honed off free hand on the leather honing wheels Always hold the knife so that the honing wheel runs away from the edge Hone the face and the bevel alternately on the large honing wheel and on the small profiled wheel so far as the profile of the knife allows until the burr disappears A properly honed edge leaves a cleaner finer surface on the wood and the sharpness of the knife lasts longer 136
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