Selection of CNC lathe tools and introduction of CNC lathe tool models

Abstract: CNC tools are important components in CNC machine tools, which directly affect the machining efficiency of the machine tool, ensure the feasibility and economy of the machining plan, and obtain the best machining plan. Below, we will understand the selection of CNC lathe tools and CNC lathes. Knowledge of tool type and so on.

[CNC lathe tool knowledge] CNC lathe tool selection   CNC lathe tool model

Because the spindle speed and range of CNC machine tools are much higher than ordinary machine tools, and the spindle output power is large, compared with the traditional machining methods, higher requirements are imposed on CNC machining tools, including high precision, high strength and rigidity. Good, durable, and required dimensional stability, easy installation and adjustment. This requires reasonable structure of the tool, standardization of geometric parameters, and serialization.

CNC tool

It is very important to choose the tool. In actual CNC machining, how do we choose the CNC tool required for CNC machine tool processing?

Turning tool

First, the outer turning tool:

Questions to think about: What is the required angle of the tool? Are there any drawing requirements? What is the processed material? Is there a hardness requirement?

Second, the inner hole turning tool:

Questions to think about: What is the diameter? How deep is the hole? What is the inner diameter of the machine tool holder? Is there any interference in the inner hole?

Third, the grooving knife:

Questions to think about: How much should you cut deeper? What is the width of the slot? Is it the outer groove of the end face groove or the inner hole groove cutter? What is the maximum machining diameter and the minimum machining diameter? (End face groove cutter)

Fourth, cut the knife:

Questions to think about: How big is the diameter? What is the required slot width?

Five, thread turning tools:

Questions to think about: Thread turning tools are backhanded? Is the external thread or internal thread? Metric or imperial? What is the pitch?

Knife clip

Milling cutters: (taking the machining center as an example)

Questions to think about: What is the connection between the tool and the machine?

1 . Clamping drills:

Questions to think about: Do you want a collet or a three-claw centering? How big is the tool? How much is ER ? The handle of the number of taper shanks? What is the length?

2 . Clamping cutters:

Questions to think about: How big is the milling cutter that requires clamping? Is it strong or standard or high speed? What is the handle of the taper shank ? What is the threaded hole?

3 . Loading wire tapping class:

Questions to think about: Is it required for rigid tapping or flexible tapping? What is the tap?

4 . Face milling cutters:

Questions to think about: What is the diameter of the cutterhead? How big is the inner circle of the cutter head? Metric or English hole? Is there a length requirement?

CNC tool

5 . Boring knife :

a rough knife

Questions to think about: Is it modular or integrated? What is the scope of processing required? The length of the processing? Do you need to add a long pole?

b. fine boring knife

Questions to think about: Is it modular or integrated? What is the precision of machining? What is the length of the processing? Is it necessary to add a long rod to increase the processing range?

6 . Tool setting instrument :

Questions to think about: Do you want to be a table or a digital display, or a projection? What is the scope of the measurement? What is the measurement accuracy?

What does the CNC blade model mean?

There are usually a series of letters and numbers on the CNC blade as the model of the CNC blade. For professional personnel, it is very simple to understand the meaning of these letters and numbers, but for many businesses, the meaning of these letters is I don’t know. The following small series will introduce you to the model of the CNC blade.

First, let's take a simple example to outline the model of the CNC blade to be introduced. The DNMG150408-MS is a blade. The general blade model is represented by 10 digits. The first four letters in this model indicate the characteristics of the blade, followed by six numbers indicating the size and model characteristics of the blade.

D indicates a 55 ° diamond blade, N indicates a blade back angle of 0 °, M is the accuracy level of the blade manufacturing, G indicates the front blade face and the center hole type, 15 indicates the cutting edge length value is 15 mm , and 04 indicates the blade thickness is 4.76 mm thick. , 08 means the radius of the tool nose arc is 0.8mm .

( 1 ) The first letter generally indicates the shape of the CNC blade. Commonly used are H , O , P , S , T , C , D, and E , which are positive hexagon, regular octagon, regular pentagon, square, and diamond 80 degrees. The apex angle, the rhombic 55 degree apex angle and the rhombic 75 degree apex angle.

(2) The second letter is clearly showing the clearance angle of the blade, commonly used letters generally A, B, C, D, E, F, G, O, A represents the angle of an angle of 3 °, B is 5 ° , C is 7 °, D is 15 °, E is 20 °, F is 25 °, G is 30 °, N is 0 °, P is 11 °, and O is the other relief angle.

( 3 ) The third letter indicates the accuracy level of the blade. The most common ones are M -class and G -class. Generally, the roughing and semi-finishing finishing blades are M -class. The precision machining blades and super-hard blades are generally G -class. .

( 4 ) The fourth letter indicates the front blade face and the center hole type (slot and hole) of the blade.

( 5 ) There are a total of six numbers, which are divided into three groups. The first group represents the blade length, the second group represents the blade thickness, and the third group represents the blade nose radius.

( 6 ) - The letter behind indicates the material of the blade. The material of the CNC blade is very different. The products produced by different materials will naturally differ. Therefore, when purchasing the CNC blade, you must pay attention to the material of the blade. Different materials. Prices are also very different. Generally, it is represented by two letters, mostly alloy, P for general steel, M for stainless steel, K for gray cast iron or ductile iron, N for aluminum / scrap iron, S for heat resistant alloy or titanium alloy, H for High hardness materials, etc.

After a little edit, I believe that you have a general understanding of the model of the CNC blade, so you must pay attention to these numbers and the different meanings represented by the letter when purchasing.

Editor in charge: Zhao Hongli