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Current location: homepage > news information > Testing machine industry information >How to maintain the notch broach of impact sample

How to maintain the notch broach of impact sample

Article source: Jinan HuiFu testing machine factory popularity: Time of publication: September 4, 2019 09:04

How to maintain the notch broach of impact sample
Impact sample notch broach is a special accessory of impact sample notch broaching machine. The quality of broach is the key factor to determine whether the sample is qualified. Therefore, the broach is required to have high precision, high hardness, good wear resistance and other properties. Because of its certain properties, sometimes it is easy to deform and be damaged, so it needs to be well maintained
                                         
How to maintain the notch broach of impact sample
1. It is strictly forbidden to place broach with other hard objects, and avoid collision with any hard objects to avoid damaging the cutter teeth.
2. In broaching, the chip in the chip holding groove should be completely removed after each workpiece is pulled.
3. After broaching a number of workpieces, use a fine oilstone to gently wipe away the built-up tumor along the flank of the cutter tooth.
4. After the broach is used, it should be cleaned and hung vertically on the shelf to avoid bending deformation of broach due to its own weight. Each broach on the rack shall be separated or kept at a sufficient distance by a base plate to prevent the two broaches from colliding with each other and damaging the cutter teeth.
5. Broaches that are not used for a long time should be hung vertically after cleaning and wrapping with antirust oil.
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