Views: 0 Author: Site Editor Publish Time: 2022-06-28 Origin: Site
Carbide serrated knives are made of cemented carbide. Cemented carbide is an alloy material made from hard compounds of refractory metals and bonded metals through a powder metallurgical process. Cemented carbide has a series of excellent properties such as high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance, etc. As the use of serrated knives becomes more and more widespread, the accompanying problems are also increasing. Some of the problems caused by the operator's improper operation can be avoided. This article will introduce the precautions to be taken when using carbide serrated knives to help users avoid the problems caused by the irregular operation.
Classification of carbide material
Precautions for using carbide serrated knives
Cemented carbide can be divided into ordinary carbide, fine grain carbide, sub-fine, and ultra-fine grain carbide according to the grain size, and the newly introduced double crystal carbide. Distinguished by the main chemical composition, it can be divided into tungsten carbide-based cemented carbide and titanium carbide-based cemented carbide. Tungsten carbide-based cemented carbide includes tungsten-cobalt (YG), tungsten-cobalt-titanium (YT), and rare carbide added (YW), which have their own advantages and disadvantages, the main components are tungsten carbide (WC), titanium carbide (Tic), niobium carbide (NbC), etc. The commonly used metal bonding phase is Co. Titanium carbide-based cemented carbide is a cemented carbide with Tic as the main component and the commonly used metal bonding phases Mo and Ni. Cemented carbide has high hardness (86-93HRA, equivalent to 69-81HRC) second only to diamond, good thermal hardness (up to 900-1000℃, maintain 60HRC); high flexural strength (MPa5100), good impact toughness and corrosion resistance extremely high chemical inertness and other characteristics of general alloy blades are not available.
The characteristics of the carbide material itself determine the importance of carbide foot cutter blade safety operation blade installation before please do a good job of protective measures to avoid falling blade injury caused by the unnecessary loss of personal property safety.
Blade installation, please use the right index finger to carefully hook up the blade and make the blade suspended, and then use a wooden hammer to tap the knife body, side ear to listen to the sound emitted on the knife body, such as a muffled sound of the blade, experience shows that the knife body has often been subject to external impact damage exist cracks, damage. This blade should be immediately prohibited from use.
Before installing the blade, please carefully clean the dust, chips, and other debris on the mounting surface of the rotating bearing of the foot-cutting machine in advance to keep the mounting surface of the bearing and the foot-cutting machine clean. The correct steps are: first of all, the blade carefully and smoothly placed on the mounting surface of the bearing, hand rotation of the foot cutter bearing so that the center of the blade automatically find the right; then installed on the pressure knife block in the foot cutter blade and make the bolt hole and the foot cutter bearing bolt hole right; finally installed into the hexagonal bolt, with the hexagonal wrench tightening screws to firmly install the blade in the bearing. Note that after the installation of the blade, there should be no loose and skewed phenomenon.
After the installation of the blade, before starting the foot-cutting machine must be installed on the foot-cutting machine safety guards and other protective devices in place and play a real protective role (foot-cutting machine on the blade studio should be surrounded by safety flaps, steel plates, rubber, and other protective layers).
The above is the entire content of this article. Maanshan King knife Machinery Co., Ltd reminds you that in the use of the serrated knife, to follow the correct instructions for the use of machinery and tools, standardize the use of the process.
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