Q:Which is the higher accuracy of the reamer and reamer?

The reamer has higher accuracy!

Q:The edge of the reamer and drill bit can cut metal, one is only oriented, and why?

The edges of the two cutters can be used for micro cutting and scraping the walls of the extruded holes. The main cutting edges are end teeth (ends), but the main cutting edge of the reamer is small, the force is uniform, and the vibration is small. The drill main cutting edge cutting capacity, the cutting force is high, at the same time by centering the drill chisel edge effect, if the chisel edge center of bad point circle, the pore radius, the edge was just a guide.

Q:The machining center CNC uses reamer to lower the reamer oil. Should the spindle be turned or reversed?

Use a twist that is sharper than the edge of the blade that is being turned.

Q:Diameter 4.2, depth 12, roughness 0.8, tolerance 0.02., cutting, each edge 0.02. material is stainless steel. Carbide reamers are used, with a 45 degree reamer at the beginning and a crack at the tip! Then change to 30 degrees, the middle of the place or collapse! Either the size is too bad! In the gloom!

1, use the oil hinge, do not use cutting fluid. 2, down feed, slow down, to be uniform, rhythmic, it is best to play automatic. 3, can not be intermittent, speed slow, 4, reamer material to see if you can change the soft point, as long as the processing can move like.

Q:Why are the dimensions of the reamer larger than the size of the hole?

The reamer is fine cutting tools a certain size of the hole, the hole in finishing before must leave the finishing allowance, so the hole than the knife which small dumplings,What this says is positive solution. What you ask is very mechanical.

Q:If you want to drill out 20 of the hole with a reamer, what size drill should you use first?

Because some of the drilling bit out of the hole is too large, such as drilling 19 of the drill hole is often 19.1/19.2, this situation should be more often encountered. If the reamer you use for machining is of good quality, it is recommended that the drilled hole be 19.9. Usually, the allowance for the reamer is 0.1-0.2mm. As to how large the drill is, it depends on how large the hole you drill out of. You can try using the 19.5 bit.

Q:Can we use milling cutters instead of reamer to process holes, the accuracy of holes H7

With the milling cutter hole processing, smoothness, wear resistance and hole verticality without reamer processing is good, so if only a small amount of processing holes, or the requirements of the hole is not very high, then use the milling cutter will also go.

Q:To machining M8, blank hole reamer processing thread with what specifications of the machine (bottom)?

M8X0.75 is in diameter 7.2M8X1 is in diameter 6.9M8X1.25 is in diameter 6.6

Q: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.

Q:What's the difference between a bore cutter and a reamer?

Two kinds of tools are expanding use, the cutter head is multi edge twist, on the big hole diameter expanding much, bore in the bottom aperture knife can be changed based on flexible, convenient adjustment, cost savings!