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The cutting speed for machining polypropylene typically ranges from 150 to 300 meters per minute (m/min), depending on the specific machining operation and tooling used. Factors such as the type of cutter, machine conditions, and desired surface finish can influence the optimal cutting speed. It's advisable to start at a conservative speed and adjust based on the material's response and the quality of the machining process. Always consult the tooling manufacturer's recommendations for precise settings.
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What is wrong with a material machining process producing a high frequency noise and serrated chips were produced cutting tool wears very fast and work piece is not meeting the dimensional accuracy?
Something is loose and/or vibrating. The cutting tip may be too long, ie, it may be too far from the mounting assembly, there could be a problem with the bearings, or the speed could be too high.
What will happen if you increase the speed of machining in Wire electrical discharge machining?
Machined surface is more rough.
What are machining parameters?
speed, feed and depth of cut
Average cutting speed of stainless steel in lathe machine?
Obviously it would depend on the stainless grade because stainless is an alloy, so the speed rate would differ slightly depending on your grade. The most important factor would be the type of cutter you use, if you are using Carbide cutting tools, with sufficient coolant you can run it at about 90-110 m/p/m (90 to 100 meters per minute) If you using high speed steel cutters run it no more than about 30m/p/m. My best advice to you is to ask for the manufactures recommendations they will give you a limit to work in, always start between lowest and middle of manufactures speed recomendations and then work your way up in speed if necessary. If your speed is correct you get a better finish and longer toolife. Remember that if you run tools at higher speeds you decrease their life, the time taken to cut the material is determined by the feed-rate and not the speed, even on a lathe which has feed set to federate per revolution will only differ slightly. Hope this helps…
What is meant by spindle selector speed in lathe?
Spindle selector speed in a lathe refers to the adjustable speed settings that control the rotation of the spindle, which holds and drives the workpiece during machining. This feature allows operators to select the optimal rotational speed based on the material being worked on and the type of cutting operation being performed. Proper spindle speed is crucial for achieving desired surface finishes and tool life while preventing overheating and excessive wear. The selector typically includes various speed ranges to accommodate different machining requirements.
Abrasive jet machining?
forcing abrasives over work piece at higher speed for cutting . it is unconventional machining process .
What is speed and feed?
Speed and feed refer to the parameters used in machining processes, specifically in cutting operations. "Speed" typically denotes the rotational speed of the cutting tool or workpiece, measured in revolutions per minute (RPM), while "feed" indicates the rate at which the tool advances through the material, usually expressed in inches per minute or millimeters per minute. Properly setting these parameters is crucial for achieving optimal cutting performance, tool life, and surface finish. Adjustments depend on factors such as material type, tool geometry, and the specific machining operation.
What is wrong with a material machining process producing a high frequency noise and serrated chips were produced cutting tool wears very fast and work piece is not meeting the dimensional accuracy?
Something is loose and/or vibrating. The cutting tip may be too long, ie, it may be too far from the mounting assembly, there could be a problem with the bearings, or the speed could be too high.
What will happen if you increase the speed of machining in Wire electrical discharge machining?
Machined surface is more rough.
What are machining parameters?
speed, feed and depth of cut
What are two major factors affecting cutting speed selection?
Two major factors affecting cutting speed selection are the material properties of the workpiece and the type of cutting tool being used. The hardness, toughness, and thermal properties of the material influence how quickly it can be machined without causing tool wear or damage. Additionally, the tool's material, geometry, and coating can determine its ability to withstand heat and wear, thus impacting the optimal cutting speed for effective machining.
How do the gear levers of a lathe machine function?
The gear levers of a lathe machine control the speed and direction of the spindle and the feed rate of the cutting tool. By shifting these levers, the operator can engage different gear ratios, allowing for adjustments in the rotational speed of the workpiece and the movement of the tool along the material. This flexibility enables precise machining operations suited to various materials and cutting conditions. Proper use of the gear levers ensures efficient and accurate machining results.
Average cutting speed of stainless steel in lathe machine?
Obviously it would depend on the stainless grade because stainless is an alloy, so the speed rate would differ slightly depending on your grade. The most important factor would be the type of cutter you use, if you are using Carbide cutting tools, with sufficient coolant you can run it at about 90-110 m/p/m (90 to 100 meters per minute) If you using high speed steel cutters run it no more than about 30m/p/m. My best advice to you is to ask for the manufactures recommendations they will give you a limit to work in, always start between lowest and middle of manufactures speed recomendations and then work your way up in speed if necessary. If your speed is correct you get a better finish and longer toolife. Remember that if you run tools at higher speeds you decrease their life, the time taken to cut the material is determined by the feed-rate and not the speed, even on a lathe which has feed set to federate per revolution will only differ slightly. Hope this helps…
What is meant by spindle selector speed in lathe?
Spindle selector speed in a lathe refers to the adjustable speed settings that control the rotation of the spindle, which holds and drives the workpiece during machining. This feature allows operators to select the optimal rotational speed based on the material being worked on and the type of cutting operation being performed. Proper spindle speed is crucial for achieving desired surface finishes and tool life while preventing overheating and excessive wear. The selector typically includes various speed ranges to accommodate different machining requirements.
What are kinematics when applied to secondary machining techniques?
Casting, forming, forging, extruding and molding are primary machining. Material removal and change of shape, drilling, grooving, dimensional corrections are some very special specific techniques, which are used in specialist workshops or machines are suppose to be the secondary machining, Turning, milling, drilling grinding, shaping are some of the secondary machining process. Chuck, face plate, vice, jigs, fixtures special centers are the work holding devices. Vernier calipers, micrometer, compactors, depth micrometers are some of the measuring tools using for secondary machining Turning, threading grooving, parting tools, milling cutters, taps drill bits, etc are cutting tools using for secondary machining techniques. Cutting speed, Speed, Feed rate, etc are the cutting parameters Inspections, verification, comparison, are the quality control methods in this kinematics. Assessments of health and safety measures are yet another kinematics in this technique.
What is the design procedure for single point cutting tool?
1.you have to know the workpiece material 2.tool material 3.type of machining process 4.sinle point or multi point tool 5.roughing or finishing cut 6.stresses that applied on the tool 7.dry or wet machining 8.cutting conditions,speed,feed and depth of cut 9.productivity and tool life 10.surface finish required
What is the difference between cutting speed and feed?
Cutting Speed :- Rate at which point on work circumference travels past cutting tool.It always express in feet/min.and if it is too high cutting tool breaks down rapidly and if too slow low production rate occurs. Feed :- The distance that cutting tool advances along the length of work piece for every revolution of the spindle.
