How to cut the inner hole of wire cutting? Professional medium wire cutting machine tool manufacturer [Zhikai CNC]
Wire cutting inner hole processing is a common metal processing method, which cuts metal materials into the desired shape by high-speed electric sparks. When processing inner holes by wire cutting, blanking is a very important step, which directly affects the processing quality and efficiency. The following will introduce the methods and precautions for blanking in wire cutting inner holes.
First of all, the blanking of wire cutting inner holes needs to be determined according to the specific processing requirements and material properties. Generally speaking, the principle of blanking is to minimize material waste and improve processing efficiency.
When determining the blanking plan, the following factors need to be considered:
1. The shape and size of the inner hole:
Determine the blanking method based on the shape and size of the inner hole. If the inner hole is circular or approximately circular, you can choose linear blanking or spiral blanking. If the inner hole is a complex shape, you can choose multi-stage blanking.
2. Material thickness and hardness:
The thickness and hardness of the material will affect the speed and effect of wire cutting. For thicker or harder materials, you can choose a multi-section material method to reduce electrode wear and processing time during cutting.
3. Processing accuracy requirements:
Determine the blanking method according to the processing accuracy requirements. If the processing accuracy requirements are high, you can choose the multi-stage blanking method to reduce the error during cutting.
After determining the blanking plan, you also need to pay attention to the following matters:
1. Selection of blanking position:
The selection of the blanking position should try to avoid affecting the electrode wear and processing effect during the processing. Generally speaking, blanking can be carried out at the edge or corner of the inner hole.
2. Determination of blanking direction:
The determination of the blanking direction should take into account the electrode wear and processing effect during cutting. Generally speaking, the direction perpendicular to the axis of the inner hole can be selected for blanking.
3. Determination of blanking size:
The blanking size should be determined based on the machining allowance and electrode wear during cutting. Generally speaking, the blanking size can be determined based on experience or trial cutting.
4. Determination of blanking order:
The blanking sequence should be determined according to the complexity and efficiency of the processing. Generally speaking, the outer shape cutting can be performed first, and then the inner hole cutting.
In short, the blanking of the inner hole of wire cutting is a process that requires comprehensive consideration of multiple factors. Through reasonable blanking plans and precautions, the processing quality and efficiency can be improved and the waste of materials can be reduced.
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