What should do milling cutters break when deal multi-layer boards ?
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What should do milling cutters break when deal multi-layer boards ?
- Tool used: Our single-edged carving knife
- Tool specifications: 3.175*22
- Processing machine: CNC engraving machine
- Processing method: cutting
- Processing material: multilayer board, medium fiber board
- Problem phenomenon: easy to break knife
- Problem analysis: After inspection, the following problems were found
- The nut locking chuck has obvious protrusion
Technical analysis
Due to a large amount of sawdust stuck in the spring groove of the chuck, the tool handle cannot be balanced and locked, and the main reason for breaking the tool is that the nut is severely worn and unbalanced when the chuck is locked, and the chuck part is not completely locked. , And the center hole of the nut is too large, so that when the chuck is locked, the best locking position of the chuck exceeds the limit, which causes the position of the tool holder clamp to change, and the stress point also changes, so that the tool is Shaking in the chuck is also the cause of the broken knife.
It is recommended to replace the nut to better evenly clamp the chuck and tool
- When changing the knife, use an air gun to blow the foreign body of the chuck to keep the fixture tidy.
- The chuck is an easy-to-wear product, it may wear out or replace it with a new one within 3-4 months.
Our WOODWORKING MILLING CUTTERS NOTIFICATION
- Woodworking milling cutters are specially designed for portable and desktop woodworking engraving machines, and cannot be used on electric drills, drilling machines and the like.
- The milling cutter can process smooth surfaces of hardwood, softwood, synthetic board and other wood, but it is necessary to avoid processing metal materials such as copper and iron and non-wood materials such as sand and stone.
- Be sure to use a jacket of a suitable size. The jacket with severe wear, insufficient roundness, and the tapered inner hole cannot provide sufficient clamping force, which may cause vibration or the tool holder to fly off.
- Do not think that the new jacket must be safe and reliable. When the tool is found to have uneven contact marks or grooves after clamping, it indicates slippage and deformation of the inner hole of the jacket. At this time, the jacket should be replaced immediately to avoid accidents.
- After the tool is clamped, if it finds that the tool is bouncing when it is working, it should be stopped immediately, and the clamping should be repeated several times to allow the tool shank and the jacket to fully contact and then work.
- The contact between the tool shank and the jacket should be good. The tool shank must be fully inserted into the jacket and tightened firmly so that sufficient clamping force can be provided to the tool. Only a small part can be inserted into the jacket, otherwise the handle will break and the tool will be damaged.
- Use proper eye and ear protection devices during operation.
- The body, clothes and other debris can not be close to the working end mills.
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