CN105642978A - Method for corner removing through plunge milling in numerical control machining - Google Patents

Abstract

The invention discloses a method for corner removing through plunge milling in numerical control machining. The method includes the following steps that firstly, a corner face needing to be milled is selected; secondly, the angle of a cutter shaft is set, the middle line of two included angle faces is taken in an XY plane, the included angle between an angle face and the XY plane is adjusted to range from 5 degrees to 10 degrees, and if the corner face has an opening angle, the Z direction of the cutter shaft is taken; and thirdly, laying of a first layer, a second layer, a third layer, a fourth layer and a fifth layer is conducted in the radial direction according to the set angle, the margin of a corner is removed, the milling manner for removing the margin of the corner firstly is adopted for completing corner removing through plunge milling, decelerating of the corner is avoided during finish machining, a bottom cutting edge is used for cutting in plunge milling, a certain angle is kept between the bottom cutting edge and a part, and cutter bending is also avoided. By means of the manner, multiple corners can be programmed at the same time, so that the programming efficiency is greatly improved; and the time of machining the corners is also reduced to be one fourth of the time spent on previous corner machining, the production cycle of parts can be effectively shortened, the machining capability is improved, and economic benefits are increased.

Description

A kind of method inserting the clear angle of milling in digital control processing

Technical field

The present invention relates to Computerized Numerical Control processing technology field, more particularly to a kind of method inserting the clear angle of milling in digital control processing.

Background technology

In order to alleviate the weight of part, the sidewall corner of current numerical control part is typically all R6, however, to ensure that working (machining) efficiency, it is generally the case that the cutter that accurately machined edge strip and web select diameter to be �� 20 is processed. Last again with the clear angle of mode of the cutter contour machining of �� 12. Having done so four disadvantages: 1, when carrying out edge strip polish, owing to the surplus of corner is above as shown in (Fig. 1) than being twice of its elsewhere, dash area is allowance, is not convenient to use uniform feeding speed, affects working (machining) efficiency; 2, use the clear angle of contour machining, be with the side edge milling of cutter, owing to corner surplus is big, it is easy to produce the phenomenon of nest cutter, cause overproof. 3, numerical control part mostly is frame, beam, has a lot of sash, and following (Fig. 2), for the skeleton part of certain type. One side has 35 sashes, and each sash has 4 angles, and one side is totally 140 angles, and two-sided have 280 angles. Using the clear angle of contour machining, need to each corner individually be programmed, workload is very big. 4, owing to adopting the clear angle of �� 12 cutter, diameter is less, and rigidity is poor, so generally, radially point two-layer, axial every layer of cutting 3mm, as relatively low in (Fig. 3) working (machining) efficiency. For the part that edge strip is higher, because by the restriction of tool length, what have even cannot process.

Summary of the invention

Uneven in order to solve allowance for finish, affect feeding speed; Side edge milling produces nest cutter; Programing work is heavy; The problem that working (machining) efficiency is low, first removes corner surplus, and is processed by the mode inserting the clear angle of milling before adopting polish.

A kind of method inserting the clear angle of milling in digital control processing, said method comprising the steps of:

(1) corner plane needing milling is chosen;

(2) angle of cutter shaft is set: in X/Y plane, take the center line in two angle faces; The angle adjusting the angle faces with X/Y plane again is 5-10 degree; If corner plane is angle of release, then cutter shaft takes Z-direction;

(3) carry out radially ground floor by set angle to be layered to layer 5, remove corner surplus; Complete to insert the clear angle of milling.

Further, said method also includes the corner with same orientation and angle, in the corner plane of clear milling.

What the present invention obtained has the beneficial effect that, adopts such milling mode first to remove the surplus of corner, it is to avoid during polish, corner slows down; And inserting milling is adopt shear blade cutting, is kept at an angle with part, it also avoid nest cutter; Multiple angles can also be programmed by this mode simultaneously, substantially increases programming efficiency; The time of processing corner is also reduced by original 1/4th, can effectively shorten the production cycle of part, improves working ability, increases economic benefit.

Accompanying drawing explanation

Corner schematic diagram when Fig. 1 is the edge strip polish of the present invention.

Fig. 2 is the frame of the numerical control part of the present invention, beam schematic diagram.

Fig. 3 is the contour machining clear angle schematic diagram of the present invention.

Fig. 4 is the slotting milling clear angle cutter rail schematic diagram of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing, principles of the invention and feature being described, example is served only for explaining invention, is not intended to limit the scope of the present invention.

A kind of method inserting the clear angle of milling in digital control processing, said method comprising the steps of:

(1) corner plane needing milling is chosen;

(2) angle of cutter shaft is set: in X/Y plane, take the center line in two angle faces; The angle adjusting the angle faces with X/Y plane again is 5-10 degree; If corner plane is angle of release, then cutter shaft takes Z-direction;

(3) carry out radially ground floor by set angle to be layered to layer 5, remove corner surplus; Complete to insert the clear angle of milling.

In order to avoid bottom surface and side are likely to damage, also the bottom surface at clear angle place and side are protected. Said method also includes the corner with same orientation and angle, in the corner plane of clear milling.

By first removing corner surplus before adopting polish, and it is processed by the mode inserting the clear angle of milling. Efficiently solve allowance for finish uneven, affect feeding speed; Side edge milling produces nest cutter; Programing work is heavy; The problem that working (machining) efficiency is low.

As shown in Figure 4, by inserting the radially point three layers milling of milling clear angle cutter rail. For Fig. 2 part, if Programing by outline, each angle individually need to be programmed, each angle needs to arrange starting point, terminal, guide surface, bottom surface, is also performed to axial layering again for different edge strip height, and some feeds, withdrawing parameter also to adjust, finally also to observe cutter rail through computing, for symmetrical corner plane, also first to become upmilling, then carry out mirror image operation.

From programming efficiency, need 1 minute if compiling hole with Programing by outline, 280 Kong Gongxu 280 minutes. And insert milling multiple corners with similar position shape can be programmed simultaneously, and not by the restriction of edge strip height and suitable upmilling, also simplify the adjustment of parameter and change simultaneously, within about 60 minutes, just can complete the programing work of clear angle processing, it is possible to greatly save programming time.

It addition, from working (machining) efficiency, processing a corner by Fig. 3 profile milling mode needs 27.36 seconds, processing a corner by the slotting milling mode of Fig. 4 and only need 6.48 seconds, efficiency can improve more than 4 times.

Technique scheme only embodies the optimal technical scheme of technical solution of the present invention, and some variations that some of which part is likely to make by those skilled in the art all embody principles of the invention, belong within protection scope of the present invention.

Claims (2)

1. a digital control processing is inserted milling clear angle method, it is characterised in that: said method comprising the steps of:

(1) corner plane needing milling is chosen;

(2) angle of cutter shaft is set: in X/Y plane, take the center line in two angle faces;The angle adjusting the angle faces with X/Y plane again is 5-10 degree; If corner plane is angle of release, then cutter shaft takes Z-direction;

(3) carry out radially ground floor by set angle to be layered to layer 5, remove corner surplus; Complete to insert the clear angle of milling.

2. method according to claim 1, it is characterised in that: described method also includes the corner with same orientation and angle, in the corner plane of clear milling.