A grinding machine is a machine tool that uses a grinding tool to grind the surface of a workpiece. Most of the grinding machines use high-speed rotating grinding wheels for grinding, and a few use oilstone, abrasive belts and other abrasive tools and free abrasives, such as honing machines, ultra-finishing machines, abrasive belt grinding machines, grinders and polishing. Machine and so on.
(1) Cylindrical grinding machine: It is a basic type of ordinary series, mainly used for grinding cylindrical and conical outer surfaces. (2) Internal Grinding Machine: It is a basic type of ordinary type, mainly used for grinding cylindrical and conical inner surfaces. In addition, there are grinding machines with both internal and external circular grinding. (3) Coordinate grinding machine: Internal grinding machine with precise coordinate positioning device. (4) Centerless grinding machine: The workpiece is centerlessly clamped, and is generally supported between the guide wheel and the bracket. The guide wheel drives the workpiece to rotate. It is mainly used for grinding cylindrical surfaces. Such as bearing shaft support. (5) Surface grinding machine: Grinding machine mainly used for grinding the plane of the workpiece. a. The hand grinder is suitable for small size and high precision workpiece processing, and can process various special-shaped workpieces including curved surfaces, planes, grooves, etc. b. The large water mill is suitable for the processing of large workpieces, and the processing accuracy is not high, which is different from the manual grinding machine. (6) Abrasive belt grinding machine: A grinding machine for grinding with a fast-moving abrasive belt. (7) Honing machine: It is mainly used for processing various cylindrical holes (including light holes, axial or radial discontinuous surface holes, through holes, blind holes and multi-step holes). It can also process conical holes, oval holes, I cycloid hole. (8) Grinder: a grinder for grinding the flat or cylindrical inner and outer surfaces of a workpiece. (9) Guide rail grinder: Grinder mainly used for grinding the guide surface of machine tools. (10) Tool grinder: a grinder for grinding tools. (11) Multi-purpose grinding machine: Grinding machine for grinding cylindrical, conical inner and outer surfaces or planes, and can grind a variety of workpieces with follower devices and accessories. (12) Dedicated grinding machine: a special machine tool for grinding certain types of parts. According to its processing object, it can be divided into: spline shaft grinder, crankshaft grinder, cam grinder, gear grinder, thread grinder, curve grinder and so on. (13) Face grinding machine: Grinding machine for grinding gear end faces.
1. The rotating motion of the grinding wheel generally does not require speed regulation. It can be dragged by a three-phase asynchronous motor, and only requires one-way rotation. For larger capacity, Y-delta step-down can be used to start. 2. In order to ensure the machining accuracy, make it run smoothly, and ensure that the inertia is small and no impact when the reciprocating movement of the table is reversed, the hydraulic transmission is used to realize the reciprocating movement of the table and the lateral feed of the wheel box.
Grinders can process materials with higher hardness, such as hardened steel, cemented carbide, etc .; they can also process brittle materials, such as glass, granite. The grinding machine can perform high-precision and small surface roughness grinding, as well as high-efficiency grinding, such as powerful grinding.