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Woodworking Engraving Machine Stability Of Tool And Workpiece

Shenzhen Huansheng Machinery Co.,Ltd | Updated: Oct 10, 2017

How to choose woodworking engraving machine tool?

1. Properties of cutting materials

Wood cutting objects are solid wood and wood composites. Solid wood can be divided into soft materials, hard materials and modified wood, etc. wood composite materials include veneer laminates, plywood, particleboard,

OSB, large particleboard, gypsum particleboard, cement particleboard, hard fibreboard, MDF, high-density fiberboard, blockboard, glued laminated timber, etc. Some wood or wood composite workpiece must be decorated with single-sided or double-sided veneer.

2. Cutting direction

Wood cutting, according to the direction of the blade relative to the wood fiber, is divided into longitudinal, transverse, end-to-end, longitudinal, vertical and horizontal cutting.

3. Turning direction and feed direction of tool

According to the turning direction of the tool shaft and the direction of the wood workpiece feeding, the inclination direction of the blade on the tool is determined.

4. Tool and workpiece stability

The stability of the tool and workpiece in the cutting process includes several aspects, the stability of the workpiece refers to the smooth feeding of the wood workpiece in the machining and does not occur. The measures to strengthen the stability of the workpiece mainly reduce the center of gravity and increase the contact area.

5, processing surface quality requirements

The surface quality of wood workpiece includes roughness, geometrical dimension and shape position accuracy.

Two. How to reduce the wood carving machine tool beat

In the process of machining, if the center of the tool and the spindle of the woodworking engraving machine is inconsistent with the rotation of the center will cause the radial runout of the tool, that is, we usually said the tool rotation of different hearts. Further understanding is that the normal high-speed rotation of the tool should be a vertical line, the different heart will become a cone. As a result, the processing accuracy and effect must be reduced, cutting tools will be easy to break. So how do you reduce the radial runout of the tool when machining?

First of all, we need to know the cooperation between the cutter and the Chuck, the combination of Chuck and nut, the correct method of the knife and the quality of the tool itself are the factors that affect the beating. In this respect we should pay attention to the cleaning of the chuck and the NUT. The power of the knife to be correct, too large and too small are not good. There is also a very important tool to extend the length to be small. Spindle motor speed in the necessary time also note that in the spindle speed requirements are not very high material, such as metal copper, we can choose a reasonable spindle speed to reduce radial runout.

Secondly, how to reduce the radial runout of the tool during machining. Why do the Cutters produce radial runout when they are machined? This is because radial cutting forces increase the radial runout, so reducing the diameter to the cutting force is the important principle of reducing the path to the beat. Use a sharp tool: the cutting force of the whole is small when the sharp tool is machined. The radial cutting force of the tool is small so that the radial runout of the tool can be reduced; the rake face of the tool should be smooth: this can reduce the friction of the cutter when machining, so as to reduce the cutting force of the cutter, Thus reducing the radial runout of the tool; Use inverse milling in finishing: Note that this is only used in finishing, or to use the shun milling when roughing, or the life of the tool is difficult to be guaranteed. When using inverse milling, the direction of the cutting force always pulls the cutter to the workpiece, in this way, the tool will be more stable in the process of processing, and then the use of large-strength woodworking engraving machine tool, increase the strength of the knife can be increased by increasing the diameter of the tool rod, the diameter of the tool bar 20%, in the same radial cutting force, the cutting tool radial can be 50%