Knife repair and sharpening of plastic crushers is key to maintaining their sharpness and extending their lifespan. The knife of the plastic crusher is very important, which determines the production efficiency of the crusher and the quality of the plastic crushing. For plastic crushers, the wear resistance of the knives is crucial, because uninterrupted production can cause severe wear and tear on the knives, and if the knives are not wear-resistant, the replacement cost is high, and the production efficiency will be reduced. In addition, the toughness of the tool is also important, if the tool is brittle, it will break directly when it encounters a hard material, there is no way to guarantee production, and if the tool is not tough, the wear will be serious.
Therefore, for the repair of plastic crusher knives, the following points need to be paid attention to. The material and structure of the tool determine how repairable it is, so you need to know the material and structure of the tool before repairing. In general, tools made of hard materials such as high-carbon steel and alloy steel have better repairability, while tools made of materials such as carbide and high-speed steel are more difficult to repair.
For the repair of the tool, grinding, polishing, grinding and other methods can be used. Grinding refers to the use of tools such as grinding stones or grinding wheels to grind tools to remove defects such as oxide layer and chipping on the surface of the tool; Polishing is the use of polishing wheels and other tools to polish the surface of the tool to improve the finish of the surface of the tool; Grinding is the use of abrasive paste and other tools to finely grind the surface of the knife to improve the accuracy and sharpness of the knife surface.
In the repair process, it is necessary to pay attention to controlling the strength and direction of the use of grinding, polishing, grinding and other tools to avoid excessive damage to the tool. At the same time, after the repair is completed, the tool needs to be inspected to ensure that its sharpness and accuracy meet the requirements.
Secondly, for the grinding of plastic crusher knives, grinding wheels, sandpaper, oil stones and other tools can be used. Grinding wheels can be used for coarse and semi-fine grinding, sandpaper can be used for fine grinding and polishing, and oil stones can be used for final polishing and dressing.
Before sharpening, the surface of the tool needs to be cleaned to remove oil and impurities. Then choose the right tool and sharpening method according to the material and requirements of the tool. Generally speaking, for knives made of hard materials, rough grinding and semi-fine grinding methods can be used to gradually improve the accuracy and sharpness of the tool surface; For knives made of soft materials, fine grinding and polishing can be used to improve the finish and accuracy of the tool surface.
In the process of sharpening, it is necessary to pay attention to controlling the force and direction of the sharpening tool to avoid excessive damage to the tool. At the same time, the tool needs to be inspected after the grinding is completed to ensure that its sharpness and accuracy meet the requirements.
In conclusion, the repair and sharpening of plastic crusher knives is the key to maintaining their sharpness and extending their service life. The right repair and sharpening methods can effectively increase the service life and efficiency of the tool, reducing the number of replacements and downtime. Therefore, when using the crusher, it is necessary to pay attention to the maintenance and maintenance of the knives, and regularly inspect and repair them to ensure that they are in good working condition.
Comments(16)
Who knew crusher knives could be this dramatic? My old ones are practically begging for retirement 😅
@BubbleGummi：Crusher drama is real—my foreman just threatened to replace ours with a wood chipper as protest 😂
Alloy steel gang rise up! Swapped to it last year and haven’t touched a replacement since.
@Mister Charm：Welcome to the club! Alloy steel changed my life—three shifts and still cutting like day one. 🤜🤛
Wait, so carbide tools are basically ‘one and done’? That explains the invoice shock.
Oil stone finish is underrated—took me from chowder to razor in ten passes.
Pro tip: clean the blades before you even THINK about grinding. Grease hides micro-chips like a ninja.
Anybody tried diamond paste on soft-steel blades or is that overkill?
@ZenithAries：Diamond paste works wonders on soft-steel if you do light passes—just don’t overdo it like I did last month 😬
Plot twist: my maintenance guy read this and now he wants a raise 😂
The part about checking sharpness after every step saved me two re-dos yesterday.
I still don’t get why toughness > hardness for mixed plastic streams—any metallurgists here?
Bookmarked! Next time the floor guys complain about dull knives I’m yeeting this link at them. 👍
Great breakdown on blade maintenance! Never realized how crucial the material choice is until reading this.
Our crusher knives look like they’ve been through a war zone after reading this lol. Time for some TLC!
The grit progression tip saved my weekend. Went from 120 to 2000 on sandpaper and got mirror finish!