Machining center cutters often use reaming drills to reaming holes.
Published:
2021-11-12
The main results are as follows: (1) most of the machining centers use reaming drills for reaming, and some also use reaming cutters, such as straight handle reaming cutters for small reaming diameter, tapered handle reaming cutters for medium reaming diameters, and sleeve reaming knives for large reaming diameter.
The main results are as follows: (1) most of the machining centers use reaming drills for reaming, and some also use reaming cutters, such as straight handle reaming cutters for small reaming diameter, tapered handle reaming cutters for medium reaming diameters, and sleeve reaming knives for large reaming diameter.
In addition, keyway milling cutter or end milling cutter can be used for reaming, which is more accurate than that of ordinary reaming drill.
Because there are cutting edges on the cylindrical surface and end face of the end milling cutter, it can be cut at the same time or separately, and the tool in the machining center can feed either axially or horizontally like a horizontal milling machine.
Therefore, using the spiral interpolation instruction on the machining center and using the end milling cutter to enlarge the hole, only one cutter can be used to complete the machining of multiple different aperture.
(2) reaming holes are usually in the final stage of machining, and most of them are used for finishing holes with a diameter less than Φ 25mm.
Because the reaming hole has a large number of teeth, good guidance, shallow chip groove and good rigidity, the dimensional accuracy of the machined hole can reach IT7~IT9, and the surface roughness can reach Ra1.6~ 0.8 μ m.
There are three kinds of ordinary standard reamers: straight shank, taper shank and sleeve.
The diameter of small hole straight shank reamer is 16mm, the diameter of straight shank is 6~20mm, the diameter of taper shank reamer is 10~32mm, and the diameter of sleeve reamer is 25~80mm.
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