Just as you wouldn’t use a freshly-honed chisel to hack notches in a 2×4, you needn’t waste time burnishing a perfect burr to scrape away hardened glue. title: r880-2301-0a author:. It is possible "deburr" round, oval, square, rectangular tubes, irregular shaped profiles made of iron, stainless steel, aluminium and plastic materials. 50 typ detail a scale 1 : 4 revision rev description date approved a initial release 6/17/2014 cb notes: 1. Is there a chemical process available to do this? I heard that "Bright Dipping" may be a good idea. Burrs will remain on the piece and can be removed later. With hand file and abrasive cloth remove all burrs and sharp edges (click image to enlarge). This process should be repeated on all edges of the scraper. do not scale drawing zumtobel group surface finish: surfin 1 9/16" 2 15/16" 1" 33. Laminating Stairs Instructions Remove the old step covering, such as linoleum. remove burrs. Tried this on one of the knives that was proving to be difficult to cleanly remove the burr and it worked a treat - one of the sharpest knives I have produced so far. Most burr removal is done with a fine India stone. 14) Extradural blood should now escape. Detecting the burr only works if the knife is close to being sharp. remove burrs and all sharp edges geometry from astro-physics notes: versions of accessories, if a tighter thread is preferred for your 3. dimensions and tolerances per asme y14. 1) Remove sway bar and O. I've seen 'break edges', 'remove all burrs and sharp edges' as notes on drawings, where the intent was just that. 5) and check if the grinding chamber is free of any foreign objects (Fig. • Safe, non-exposed cutting edge. When sharpening a plane, start with the blade at 30 degrees and end it at 20/25 degrees, this will ensure it has a slight camber to the bevel. YXGOOD Hand Deburring Tool Kit This deburring pack by Approved for Automotive is the perfect answer for all your deburring related assignments. Check the sides of the hammer for bright drag spots. Every time you do any type of fabrication, such as cutting or punching, little burrs or sharp edges can form. The basic conditions for the formation of burrs in machining and shapes of burrs on the edges of objects machined, at the exit of the tool have been defined. These consequences are what many end users consider as reasons to reject parts from suppliers. Edge tools ought to be sold sharp, but they rarely if ever are today. All About Deburring – What Is a Burr & How to Remove It? While paying for a laser cutting service , you would expect a result of your money’s worth. QDF1Q SCALE 1:1 U. Burrs occur in almost all manufacturing processes. 74-24 08/14/12. Their tools work. Learning to read this line is how one determines at which stage to begin the sharpening process. Title: rollers 40 mm Author: harveyt Created Date: 7/26/2011 12:47:56 PM. -dec tolerances-. 2, this is pronounced at the apexes of sharp projection or recess parts, which are followed by corners that do not have rounding. sink after drilling and remove all sharp edges. This is where deburring can help. description date approved 0 initial release 21dec2000. tolerances: frac. The WS3000 offers 3 ways to sharpen your tools: Top Side with Tool Rest, the Chisel and Plane Iron Port and the Edge-Vision Port. This is the basic attitude when preparing a punching die. A burr is a fine, wire like raised edge that happens during the sharpening process. 600 grit paper/cloth to remove all nicks, burrs, and sharp edges that might damage the shaft seals when installing retainer on shaft and bearing assembly. Make an easier job of it with a sharp shovel. ” Response: Use a file to knock down the burrs so that you can safely hold the part for grinding. If you want an extra sharp razor edge, we recommend finishing with a higher grit stone. REMOVE ALL BURRS AND SHARP EDGES. About 40% are paper cutting, shaving sharp. remove all burrs & sharp edges. THIRD ANGLE PROJECTION. These drawings are in ISO 13715 set. MicroBlasting delivers pinpoint accuracy that allows you to attack a burr at its root without causing dimensional changes to the part. Burrs are a manufacturing fault that happens almost every time to make a good product. Seal Chamber Requirements Figure 1. Every time you do any type of fabrication, such as cutting or punching, little burrs or sharp edges can form. Aluminium generally breaks cleanly but you should take care to remove any sharp edges or burrs before sliding the repair sleeve over the damaged section and fixing it in place with a few turns of adhesive tape. Burrs can form on all types of materials, but in the finishing industry, we typically encounter burrs on steel, aluminum, ductile iron and titanium. break all sharp edges and remove all burrs. OEM from Mazzer, these are for the Mazzer Mini Doser version. t quaife engineering ltd, and may not be used copied or exhibitied without their written permission. Clean the inside and outside Tour-Pak surfaces of tape residue with a mixture of 50 to 70% isopropyl alcohol and 30 to 50% distilled water. Let's Get Started!. 005 material: finish: contract no. 020-inch wire. During the process, the transfer of metal ions occurs most rapidly on corners or edges of metal parts. Edge tools ought to be sold sharp, but they rarely if ever are today. To achieve this kind of performance, you must maintain a sharp cutting burr on the scraper's edge. I cannot make sense of your note. When sawing and drilling, you create burrs and sharp edges on your workpiece that need to be rem. Detail Guide to Buy Best Deburring Tool. Apply only to the area around, and on the burrs as you can use it in the final bath. 5m with latest ansi b46. dimensions in inches [mm]. all dimensions are in inches. copies remain the property of advantec. 02 in radii. YXGOOD Hand Deburring Tool Kit This deburring pack by Approved for Automotive is the perfect answer for all your deburring related assignments. Please help. Breaking sharp edges and deburring. remove all burrs and sharp edges. 1 Burrs, Sharp Edges, and Fillets 1. SET: Machine suitable for removing INSIDE and OUTSIDE "burrs and sharp edges" that are normally created during cutting operations. remove all burrs and sharp edges all dimensions are in mm cad generated drawing, manual changes not permitted 2/2 sheet 1:20 r. Check the sole for flatness. How to File Sharp Fret Ends I can always tell when we’ve had a cold winter by the guitars that come into my shop. material: 0 finish: third angle proj. The thing with woodturning is that you can remove miles of shavings in a very short time, and the scary sharp edges won't take that type of abuse. The cutting edge of the blade shall be ground and sharpened to a keen edge. Clean up the edge with a wire brush to remove the burr and give the axe a sharp edge. Tried this on one of the knives that was proving to be difficult to cleanly remove the burr and it worked a treat - one of the sharpest knives I have produced so far. remove all burrs and break sharp. material: 3/8" diameter brass rod. Remove the burr. Sharp Pad removes the burrs that your existing sharpener leaves behind. REMOVE ALL BURRS AND SHARP EDGES. Be sure to clean your knife and stone thoroughly after using to wash away all the steel you removed from the blade. This would also help the problem of burning metal and grinding too much in one pass. This is a manufacturing fault that happens almost every time you try to make a good product. Remove any burrs and sharp edges from the corners. QDF6KB SCALE 1:1 U. 02 radius or chamfer max weight: unless otherwise specified, tolerances: linear: dimensions under 5/8 inch 0. Polish the hammer screw where the hammer pivots. It took me 45+ years but I finally learned how to sharpen a knife. Some people say making a burr is bad because it has made a week and stressed part of the blade edge. 02 in x 45 deg chamfer or. confidential property of advantec global. Alternatively you could just use the belt grinder to do the initial, rough, grind to take the edge down to nearly sharp, then swap to sharpening by hand. 015 radius or chamfer. Check the sole for flatness. technique used, amount and type of lubrication used, type of material being machined, etc. Burrs can form on all types of materials, including steel, aluminum, ductile iron and titanium. remove all burrs and sharp edges (. In other words, you'll need to knock the sharp edges off – remove punch marks, polish edges and remove burrs caused by cut-off wheels or drills, as smooth edges will reduce the risk of stress cracking. Make several passes with the sharpening stone along the reverse side of the cutting blade to remove any metal burrs or rough edges. Remove All Burrs and Sharp Edges the property of H2W Technologies, Inc. The results of research of deburring and smoothing, rounding sharp edges using vibro-abrasive machining are presented. eng must approve any weld deviations 2. Clean up the edge with a wire brush to remove the burr and give the axe a sharp edge. - px10770 remove burrs and sharp edges px10770 finish pattern no. Burrs are cutters that remove excess metal and smooth sharp edges of a workpiece. Cryogenic deburring is a cryogenic process used to remove burrs and flash from plastic and die cast workpieces. ’ ‘On the plastic it will enter readily and throw up a burr at the edges of the hole. THIRD ANGLE PROJECTION. knra200 knurled roller assembly psc140-3 knife arm stop mn3-3 hex stop ms3m5-12 button head screw. SHEET 1 OF 1 Quaife Design & Development. Sharpening dental instruments can be challenging for the inexperienced sharpener and could lead to the destruction of the tool itself. Class 1 burrs are known as “micro burrs. 3rd ANGLE PROJECTION REMOVE ALL BURRS AND SHARP EDGES ALL DIMENSIONS IN MILLIMETRES IF IN DOUBT ASK. 1 a-943 br. 1 110-121-4cs-4-(1272acsr). 600 grit paper/cloth to remove all nicks, burrs, and sharp edges that might damage the shaft seals when installing retainer on shaft and bearing assembly. The term "deburring equipment" refers to all of those machines that carry out this process. So lubricate your diamond plate with water, position your chisel so the factory edge is flat on the stone, and run your blade back and forth, holding this angle as steady as you possibly can. If you try to sharpen the edge all the way to the heel, the edge will hollow out just in front of the heel. These blades all exhibit the trademark characteristics of a thick coating which wears away quickly to expose the sharp cutting edge. this drawing or design is strictly confidential & the copyright therein the exclusive property of r. Burrs and sharp edges can form on workpieces during manufacturing processes like drilling holes and it's often beneficial to remove them. Uneven bits on the surface and edges of the materials are referred to as burrs. Is there a chemical process available to do this? I heard that "Bright Dipping" may be a good idea. I would like to remove the Burrs and have the Sharp Edges broken to a minimum 0. Class Three burrs are characterized by moderate size and thin roots, and they can be easily removed by finer wires between 0. Replace worn shaft or sleeve. For rapid repairs in the field, splint the broken section using the spare repair sleeve supplied with the tent. My guess: your burr is a wire edge, which can seem (and is) very sharp but is not at all durable. They can also be used to remove sharp edges from drilled holes and pipework. It should absorb enough water until no air bubbles come out. Burrs are a burden. Their use of the term stropping is different then our stropping. Ensure installation tooling has no sharp edges or surfaces that may cause damage. It is important to get top quality burrs to perform the task properly. ‘Sharpen only the beveled side of a blade, though you should remove burrs on the flat side. Use a strong light to see this. oxi-solv rust inhibitor to be applied to bottom surface. You can check whether XEBEC Back Burr Cutter and Path can be implemented on your workpiece and machining equipment. This is something which most mortals can't do without some sort of a fixture. "Seeing a sharp edge in one of our machines, it's the ultimate sin: a burr on a deburring machine," says Mutschler. date date - - scale: 1:2 proprietary and confidential qx4 dimensional drawing information in this document is confidential and proprietary to dymax corporation. Moltissimi esempi di frasi con "burrs and sharp edges" - Dizionario italiano-inglese e motore di ricerca per milioni di traduzioni in italiano. After the whole set of wheels have been tapered, swing the tool around and remove the burr from the inside (right). Remove burrs or nicks from socket nuts. There are, of course, many techniques on how to sharpen a knife. More words probably have been expended in discussing and debating the use of scrapers than for any other tool except, perhaps, the skew. remove all burrs and sharp edges r0. 5 30 54 650 280 d c b a a. Edge rounding A good edge rounding result is characterized by removing the sharpness on the edges of your laser-cut or punched materials. zhao material dimensions & tolerances in accordance with latest asme y14. tank fabricated w/2'' radius corners & high contour legs. Most of these are made of steels (usually high end steels) that form burrs that fragment and fall apart easily when I am trying to remove them. As the burr is removed, a radius forms on the part's edge and grows to about 0. How to Establish a Burr on the Edge of your Knife Establishing a Burr. Virtually all Auger Bits have sharp scoring lips to make a clean entry and sharp-edged flutes to shave the hole sides clean. Best to find the local club. As long as be don't bring-up big gnarly burrs, we can flip to the other side and the stone will remove the burr, of course the burr will come up on the other side, and then you are finished with that grit. remove all burrs, sharp edges and corners cad generated drawing, rev 117. break sharp edges. p9122 3rd angle projection remove all sharp edges and burrs issue dcr no. They’re all right. 150 DATE 10/20/2014 OF I 1. In addition, deburring must not damage or destroy nearby surfaces, change part color or deposit oxides or other material. All About Deburring - What Is a Burr & How to Remove It? While paying for a laser cutting service , you would expect a result of your money's worth. Yes! All forms of metal removing devices will leave a significant burr. Check the sole for flatness. surface finish 125 rms max. It is possible "deburr" round, oval, square, rectangular tubes, irregular shaped profiles made of iron, stainless steel, aluminium and plastic materials. Seal Chamber Requirements Figure 1. An aggressive sharpening file is your best friend when it comes to sharpening an axe. part number description qty. Electropolishing is most frequently used on stainless steel, relatively high in both nickel and chromium content (300 and 400 series). xx fractions angles confidential and proprietary information is contained herein and must be handled accordingly. Burrs are a result of machining processes that involve grinding, milling, engraving and drilling and can create sharp edges that pose a safety hazard and impact the performance of a part. Does anyone know which ASME would dictate size of break edges and fillet radius?. Title: 019-17871 Rev 03 Outline drawing twin fan evap Author:. A quick examination of 6 common deburring examples in micro-precision sandblasting. remove all burrs, sharp edges and corners cad generated drawing, rev 117. In other words, you'll need to knock the sharp edges off - remove punch marks, polish edges and remove burrs caused by cut-off wheels or drills, as smooth edges will reduce the risk of stress cracking. REMOVE ALL BURRS AND SHARP EDGES ARVA INDUSTRIES INC. 015 1 1 JD PROTOTYPE This print is and will remain the. woodcarving. Allows for fast burr removal from edges of plastic parts, sheets, etc. Put the finger blade back in your equipment at the same angle and polish the finger blade or knife edge. burr is installed in a dynamic application, the sharp point of the burr can act as an electrical conductor, which can result in a static discharge, and depending on the media used in the application, the possibility of fire or explosion may exist. Files are used for removing burrs in addition to shaping and finishing holes and grooves. Remove all sharp edges and clean the oil hole after polishing. Burrs and sharp edges can cause trouble for the manufacturing industry. Nevertheless, many companies use an in-house classiﬁcation, as an overall accepted burr classiﬁcation is lacking (Aurich et. remove all burrs and sharp edges. When you have a burr along the entire edge, flip the razor and hone the other side. Step 2 – Grind off burrs. Take a few strokes on the edges and faces to remove burrs and marks left by the file. Ensure installation tooling has no sharp edges or surfaces that may cause damage. ‘Sharpen only the beveled side of a blade, though you should remove burrs on the flat side. all inside corners to be. They are issued in confidence and shall not be. Component parts of small precision mechanisms typically require near-sharp edges to assure reliable operation. Deburring tools are used to remove burrs. The burr is a reliable method for the inexperienced to verify that the bevels are meeting, but with experience there are better ways of accomplishing this. Transmission: 6 forward speeds, 3 reverse speeds with neutral safety switch. A burr which is not removed may break off during use and damage bearings or gears in gearboxes. A quick examination of 6 common deburring examples in micro-precision sandblasting. Having said that, it all depends on what operation you are performing. Tungsten carbide rotary burrs are used across the globe for shaping and cutting. Our custom tube shear cutting machines can cut, bend, and end form your tubular parts as short as 0. YXGOOD Hand Deburring Tool Kit This deburring pack by Approved for Automotive is the perfect answer for all your deburring related undertakings. Using a utility knife, cut off the rear under cover as shown. Burrs are a result of machining processes that involve grinding, milling, engraving and drilling and can create sharp edges that pose a safety hazard and impact the performance of a part. Cryogenic deburring. When used to remove sharp edges and excess material on your metal-working project, carbide burrs deliver a smooth finish and expert results. There are various methods of doing this such as grinding, milling or barrel finishing. What are Burrs? While most people who work with manufactured parts have heard the term deburring, most are not aware of what a “burr” is and why it needs to be removed. To remove them, lightly sand the back side of the blade. Burrs are cutters that remove excess metal and smooth sharp edges of a workpiece. Constructed with composite materials rather than heavy metals, the chisel sharpener utilises extremely durable diamond hones to create the perfect sharpened edge and is also incredibly safe as the blade remains static at all times. dlc this , 2-3 µm/side m/side side ref c/o 1. 032 40 places. The Burr is created inside when the piece is ready (Tool for parting cut off the piece). • SHEET 1 OF 1 • 2 Place Decimal • TREAT • All dimensions are in inches • Min 6% mat'l removal per finish surface 12% on dia. When the burr is very thin and sharp in geometry, the sensor with larger beam spot size than burr width cannot catch the sharp edge precisely. Then progress to a finer belt. Check the threading on all knobs and angleC. remove all burrs and break sharp edges. Edges defined by this level of finishing will be smooth to the extent that hands will not be cut, nor will electrical wires or mating parts. 2 Mullion length* (see below) * Mullion length = ‘X’ less 5 11/16” (for electric KR9854 mullion length = ‘X’ less 5 3/4”). To sharpen the outside of GOUGES:. The edge choice depends on the task at hand. WARNING! Burrs and sharp edges can damage the carbon and alloy surfaces of the. remove all burrs & sharp edges. 188 thru all 1. This edge is not only very sharp, but is relatively strong. "Seeing a sharp edge in one of our machines, it's the ultimate sin: a burr on a deburring machine," says Mutschler. Burrs are a result of machining processes that involve grinding, milling, engraving and drilling and can create sharp edges that pose a safety hazard and impact the performance of a part. 74-24 08/14/12. The presence of the burr means that the steel is thin enough at the top that it is folding over slightly, because the bevel you've just ground has reached the edge tip. The edge choice depends on the task at hand. of sway bar. Poor quality burrs are molded (instead of milled), have dull or few sharp cutting edges, or have rough texture to the surfaces that will rub against the coffee. Deburring describes the breaking of unwanted sharp edges, or burrs, which develop during the plating process. Now I'm beginning to think it's more a case of wearing down notches and dangly edges of metal from rough cuts that should have been ground off in the first place, which would explain the variation in peoples. To remove the burr on the inside, use a short length of dowel slightly smaller than the opening. 03  standard 1-1/2" victaulic cut groove on this end. Kutzall Original. p13615 3rd angle projection remove all sharp edges and burrs issue dcr no. The simplest way to sharpen something is to create a burr or wire edge and then gently remove it. remove all burrs and sharp edges r0. com title: sheet 2 of 8 a4 brass, aluminum, rubber 136. REMOVE ALL SHARP EDGES AND BURRS FINE MACHINE FINISH ALL OVER 80 REAM 8 0. Burrs will remain on the piece and can be removed later. They decrease the quality of the product and that will result in a huge price drop in the market. woodcarving. As long as be don't bring-up big gnarly burrs, we can flip to the other side and the stone will remove the burr, of course the burr will come up on the other side, and then you are finished with that grit. The thing with woodturning is that you can remove miles of shavings in a very short time, and the scary sharp edges won't take that type of abuse. remove all burrs and sharp edges unless otherwise stated drawing number imperial machine company ltd the information contained herein must not be copied nor disclosed in whole or part0 to any third party withoutr the written permission of imc. 1 Place motor in a vise with output shaft down. 13) Use blunt hook to remove remaining bone fragments. These drawings are in ISO 13715 set. • Safe, non-exposed cutting edge. Etac Clean Reconditioning instructions Inspection Deviation Solution Clean Clean HRB Clean 24” Arm supports The arm supports are damaged, have cracks, burrs or sharp edges Replace the arm supports Arm supports are hard to fit/remove Clean arm support and mounting Arm supports are hard to fit/remove Replace malfunctioning part (arm support,. The grinding will be to remove the burrs. The grinder burr is fine, but some times a raised/burnished burr is preferable. D3 L4 L2/A D1 L3 L1 D4 L2 D2 Drg. Failure to remove all burrs and sharp edges could cause engine damage. Human translations with examples: MyMemory, World's Largest Translation Memory. Metal Burrs Some burrs are too small to see with the naked eye, or fix manually. Remove all burrs and round sharp edges of reinforcement strip A (1). After you’ve smoothed and squared the edges, you have to remove the rough marks the file left behind. What are Burrs? While most people who work with manufactured parts have heard the term deburring, most are not aware of what a "burr" is and why it needs to be removed. 4) Grease I. powder coating. Cut the section of metal out or otherwise prepare the metal to be bent by removing any burrs or sharp edges. information is not to be used for any other purpose except for required. You have to go a bit past the point where the bevels meet to get a burr, then go a bit further yet to remove the burr and refine the edge. NOTE: REMOVE ALL BURRS AND SHARP EDGES Rev Title: BRACKET, MTG MOTOMAN/FANUC WIRE DRIVE ROBOT Drawn By: Size Drawing No Date: DRAWING NOT TO SCALE CONFIDENTIAL Tolerances Unless Otherwise Specified Decimal : Angular : Finish: Rev Date By ECO Revision Description C 224302 E JD 05-10-05. Title: 019-14638 Rev 04 Arrow Evap Outline Author:. The basic conditions for the formation of burrs in machining and. When sharpening an ax or Pulaski blade, for example,. A burr on the side of the bar causes drag in a cut. Issue: “There are sharp edges or burrs that will cut me if I hold the part. break all sharp edges and remove all burrs. a3(4)border title qdf3h f. part number description qty. On the plastic it will enter readily and throw up a burr at the edges of the hole. Bevel The primary part of the tool tip that is sharpened to create a sharp cutting edge. All edges of the stem in contact with the steerer tube should be rounded out to eliminate any stress points. Detail Guide to Buy Best Deburring Tool. com Vorhandene Gr at e mü ssen entfernt und a ll e scharfen Kanten ge bro chen we rden. The Kutzall Original line features the most popular Kutzall coating and is applied to our Burrs, Hand Rasps, Dish Wheels, and Shaping Discs. VEHICLE PIN MOUNTING RUBBER EXHAUST PIPE. However, sharp edges require some gentle rounding or very slight chamfering. This tool comes in handy when deburring edges and holes on all sorts of material. 6) Sharp Edge and Burr Standards A) Unfinished End Product I) Unfinished material being punched or laser-cut will be dressed at the blanking operation to remove laser slag or burrs. 50 radius or chamfer max weight: unless otherwise specified, tolerances: linear: dimensions under 15 mm 0. Remove all sharp edges and burrs. A manual knife sharpener, also called a “pull through sharpener,” is the cheapest and easiest way to maintain your kitchen knives. all dimensions are in millimeters unless otherwise stated. de-burr all sharp edges. Constructed with composite materials rather than heavy metals, the chisel sharpener utilises extremely durable diamond hones to create the perfect sharpened edge and is also incredibly safe as the blade remains static at all times. all rights. Start by using the file to remove any major nicks or burrs. 90 user connections SIP pins to 9 twisted pair user connections SIP pins to 4 coaxial cables. Determine the angle at which you want to brake the metal and mark it on the protractor. I have 14 Gauge Stainless Steel types 304 and 316, laser cut and bent pieces that I would like processed. The sharpening process is the same, but the stone will remove much less steel, and form a less noticeable burr. It (the burr) should be able to be removed with a quick spin of a swivel knife or a chamfer tool in a screw gun. Do this to both long edges of the scraper. When the burr is very thin and sharp in geometry, the sensor with larger beam spot size than burr width cannot catch the sharp edge precisely. break with a. remove burrs and sharp edges material see finish all dimensions in mm tolerances (unless stated) drn date 18- scale jan- issue revision first issue mod no 17359 port 18- date jan- 19 title stern 19 part no 69000940 s i zc a scale sheet i of i linear ± angular ± 0. I cannot make sense of your note. QDF6KB SCALE 1:1 U. Thus, it is important to remove these rapidly and cleanly. 1/4 inch high letters. Polish the hammer screw where the hammer pivots. Uncertified chains, ropes, slings and hooks should not be use 9. Producing a burr on a hand scraper isn’t sharpening in the conventional sense. With speeded up production, it seems that some factories are skipping or shortening that process. Thanks again for this product!. Think of this as a line that will decrease in thickness as you progress to the final edge. Areas to check for burrs or sharp edges 1 2 1 3 1 2 Warning Before fitting a heated grip harness into the. Proper burr formation tells us if the knife is being sharpened properly. A burr is defined as raised or displaced metal. Introduction to Files and Rasps: This is a basic introduction on proper use and care of files and rasps. Deburring describes the breaking of unwanted sharp edges, or burrs, which develop during the plating process. The surface should be smooth, so. When they machined the air gap and trimmed the forcing cone, they didn't remove the burr. 2 Seat the base of the device into the burr hole. 5m with latest ansi b46. is your guide set to the right angle it should be 25 deg for chisels, use the coarse side of your stone to remove any nicks and the finer side for the finish only light medium pressure is required. QDF6KB SCALE 1:1 U. Cables and slings must be padded when passing over sharp edges of equipments 6. remove all burrs and sharp edges arva industries inc. Acquire the Buck Bros. Lift the upper burr (Fig.