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FAQ
- With a machining center, the diameter of the hole is 28, and the cutting amount of the reamer when reaming
- According to what you said, what you said was boring. How did you say it was twisted?I said one of my experiences: if boring, the speed is about 500. Feed 70.If the speed is 60, when feeding 40, if you want the correct tolerance, add lubricating oil. Minus tolerance plus cutting fluid, with kerosene, too.
- The number of drills and reamers for diameter from 1 to 20.. The more detailed, the better
- At 12 of the diameter of the drill, the 600. reamer is 2. The others you push, the reamer must be 500 slow, the hole surface quality is not good
- Can we use milling cutters instead of reamer to process holes, the accuracy of holes H7
- High precision, precision milling cutter H7 is not so high you can use boring
- In the lathe, with a floating reamer machining material for cast iron, diameter of 55mm hole, leaving margin 0.1mm, lathe speed is appropriate!!
- Not too fast. Sooner, there will be errors
- Now the hole is about 5.97. I don't know what to do
- What is your workpiece material? Is it a machine reamer? What are the requirements for the accuracy of the hole?If the material is not special and the requirements are not very high words, proper allowance again big, the margin is too small is reasonable in 10-15 wire, it is not easy to discharge cutting reamer, even if the first few can immediately lead to dull small hole!! Cutting fluid, of course, can have an effect, but that's pretty rare!!
- When reaming the piston pin hole and connecting rod copper sleeve, how much is the pin allowance?
- For better reference data, please Baidu search, Li Hao CNC tools, data on reamer tolerances and machining allowances
- I want to lay 17 hole diameter, valve hole of steering pump, recently the old material is out of order, gray cast iron, which has two cross the oil window, leaving 30 wire end hinge margin, to reach 17 by 5 wire with diamond reamer reaming finally reached 17+0.008mm, but sometimes twisted lax that is the total crude hinge traces, do not know why. Master, tell me why? How to choose the cutting amount, how high the speed, what choice to do cutting fluid? The speed of feed and retract? We use emulsion, right? Thank you
- The margin stayed large. The fine hinge was pushed through the surface. The last one was left with 3 wires. Gray iron emulsion is good, 45 turn, stop the knife.
- Machine is a horizontal machining center Huakai, machining hole size is 14mm through hole, the first with 13.5 bits, then the 14 hinge reamer, reamer is 120 speed 320 feed speed, casting hardness is HB170 ~ 241, made out of the hole often bell shaped, reamer blade also day after day grinding, grinding or not, sometimes for a new reamer like bell. Who can help me analyze the reasons?.
- The allowance is large. Use the 13.8 reamer to enlarge the table. Hit the blade to see if the blade is on the same heart. Measure both the front and back blades.
