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When the flat-end drill center hole machine shows deviation while drilling, the following methods can be adopted to address the issue.
Release time:
2021-07-24 00:00
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Adjusting the positioning of the drill bit and the workpiece: Ensure that the cutting edge of the drill bit is symmetrical and that the end face of the workpiece is perpendicular to the centerline of the drill bit. If the drilling position is found to be offset or skewed, it can be resolved by sharpening the side cutting edge, replacing the drill bit, or reducing the feed rate.
1. Adjust the positioning of the drill bit and workpiece: Ensure that the cutting edge of the drill bit is symmetrical and that the end face of the workpiece is perpendicular to the centerline of the drill bit. If the drilling position is found to be offset or tilted, it can be resolved by grinding the horizontal edge, replacing the drill bit, or reducing the feed rate.
2. Use guiding devices: In deep hole machining, use longer guiding sleeves or guiding blocks to improve guiding accuracy and reduce the phenomenon of tilting caused by poor guidance.
3. Change the motion form: During deep hole machining, using a dual rotation method where the workpiece rotates and the tool rotates in the opposite direction with feeding motion, or the workpiece rotates while the tool feeds in one direction, can effectively control the tilt of the workpiece.
4. Regular measurement and correction: During the drilling process, the tilt of the hole should be measured regularly. If it exceeds the standard, timely measures should be taken to correct the tilt. For example, by adjusting the upper carriage rotation, mast oil cylinder, etc., to correct the tilt.
5. Use stabilizers and spiral drill rods: Using stabilizers and spiral drill rods during drilling can increase the length of large diameter drilling tools, overcoming the bending caused by the gap between the bottom drill rod and the hole wall, thereby reducing the tilt of the hole.
6. Appropriately increase cutting speed: Utilize the centrifugal force of the chips to promote chip removal. If the tilt is not significant, the workpiece or drill bed spindle can be slightly adjusted for correction; if the tilt is more pronounced, use a sample punch to create larger indentations or use a chisel to carve several grooves in the areas that need more drilling to reduce cutting resistance in that area, allowing the drill bit to shift to the correct position before drilling.
By using the above methods, the issue of tilt during drilling of center holes on flat end face machine tools can be effectively resolved.
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Adjusting the positioning of the drill bit and the workpiece: Ensure that the cutting edge of the drill bit is symmetrical and that the end face of the workpiece is perpendicular to the centerline of the drill bit. If the drilling position is found to be offset or tilted, it can be resolved by sharpening the side cutting edge, replacing the drill bit, or reducing the feed rate.
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In 2015, with the rise of the concept of Industry 4.0, China also proposed the "Made in China 2025" plan to vigorously promote the transformation and upgrading of traditional manufacturing.
Juxin Machine Tool has developed a new type of center hole machine using two patented technologies.
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Technological innovation is the key to core competitiveness.
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Adjusting the positioning of the drill bit and the workpiece: Ensure that the cutting edge of the drill bit is symmetrical and that the end face of the workpiece is perpendicular to the centerline of the drill bit. If the drilling position is found to be offset or skewed, it can be resolved by sharpening the side cutting edge, replacing the drill bit, or reducing the feed rate.
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