Hydraulic excavators generally use single-row four-point contact ball-type internal gear slewing bearings. During the excavator operation, the excavator slewing bearing bears complex loads such as axial force, radial force and tipping moment, and its reasonable maintenance is very important. The maintenance of the excavator slewing bearing mainly includes the lubrication and cleaning of the raceway and the […]
The preload of the crossed roller bearing means that after the bearing is installed on the bearing seat and the shaft, certain measures are taken to produce a quantitative pre-deformation between the rolling elements in the bearing and the inner and outer rings, so as to keep the inner and outer rings in the same position. pressed […]
The overhaul of the tractor is inseparable from the overhaul of the clutch components. In order to improve the maintenance quality of the tractor, the overhaul methods and standards of the main components of the tractor clutch are introduced in detail. The tractor clutch is composed of four parts: the active part, the driven part, the pressing […]
Compared with other single products, the compact rack is a systematic project and also includes many service elements. Most customers buy for several years, maybe once every ten years, and it is not by people when they buy. There are inevitably many misunderstandings when buying dense racks. Let’s take a look~ Misunderstandings in choosing a compact rack […]
The valve bag made by the bottom paste machine has the characteristics of good moisture resistance, reasonable cost and high production efficiency. It is suitable for the packaging of various powdery colloidal products. effect. Application scope of valve bag 1. Industrial aspects It is a powder product packaging for building materials powder, chemical raw materials, […]
Calcium hydroxide, commonly known as hydrated lime, is a white powdery solid. The products produced by the professional calcium hydroxide production line are mainly used for rescue equipment such as compressed oxygen self-rescuers and positive pressure oxygen respirators, which are used to absorb carbon dioxide exhaled by miners. CALCIUM HYDROXIDE PRODUCT INDEX 1. Whiteness: >90 degrees; 2. […]
Linear vibrating screen structure and functional description of each part, linear vibrating screen is mainly composed of screen box, screen frame, screen mesh, vibrating motor, motor base, vibration damping spring, bracket, etc. The following vibrating screen manufacturers will introduce each linear vibrating screen in detail Parts composition, installation, use and maintenance work. Structural composition of […]
The idler is an important part of the belt conveyor . If there is a problem with the idler, it will definitely affect the life of the belt conveyor . Since the idler is so important, the conveyor manufacturer will share with you what are the types of belt conveyor idlers? 1. Groove upper idler The standard […]
In fact, refueling trucks, oil trucks, and oil tank trucks have a collective name: tank trucks, but each place is called differently, and the requirements for registration are also different. The current oil tank trucks are divided into: Dongfeng brand oil tank truck, Jiefang brand oil tank truck, Foton Omark oil tank truck (high-end brand), Foton oil tank truck (the most fuel-efficient model), […]
To put it simply, forging is to smash metal into the shape you want, and casting is to melt the metal and then re-solidify it into the shape you want. Forging is to mechanically shape metal into the shape you want. (There are two methods, cold and hot.) Casting is to melt the metal and pour it […]