Precautions for heartless grinding machines

2025-04-07

The centerless grinder is composed of three mechanisms: grinding wheel, adjusting wheel, and workpiece support. The grinding wheel actually performs the grinding work and helps the workpiece obtain sufficient feed speed. When using this device, operators can arrange and combine these three mechanisms to create several coordinated working methods, which can be used to handle various different products. With the development of the grinder industry, a type of centerless grinder with shortened horizontal dimensions has emerged. This equipment is particularly suitable for use in a small installation space and can handle products of various shapes, helping users save space. This grinder equipment greatly reduces the lateral size of the centerless grinder and meets the user's space saving requirements, as there is no need to maintain a space for the grinding wheel dressing unit on the side of the grinding...

Instructions on the operating procedures for CNC cylindrical grinding machines

2022-10-10

CNC cylindrical grinder is a structurally simple, operationally convenient, and adaptable cylindrical grinder suitable for grinding inner, outer cylindrical, and conical workpieces. It is suitable for use in workshops with single piece, small batch, and batch production. The workpiece rotation, outer circular grinding wheel, inner circular grinding wheel, oil pump, and cooling are respectively driven by motors. The headstock motor adopts a permanent magnet DC motor to achieve stepless speed change of the workpiece through the motor speed control plate. The longitudinal movement of the machine tool worktable can be achieved by hydraulic stepless rotation or by handwheel rotation. The lateral feed movement of the grinding wheel rack has several forms, including hydraulic movement, automatic periodic feed, and manual feed. The operating procedures for CNC cylindrical grinding machines are as follows: 1....

Working mode and influencing factors of CNC end face cylindrical grinder

2025-04-07

CNC end face cylindrical grinder is a grinder used to machine the outer surface and shoulder end face of cylindrical, conical, or other shaped elements of workpieces; Widely used, capable of processing various cylindrical conical outer surfaces and shaft shoulder end face grinders.Working method: Mainly used for grinding outer cylindrical surfaces and conical surfaces, there are two basic grinding methods: longitudinal grinding method and cutting in grinding method. During longitudinal grinding, the grinding wheel rotates as the main motion, and the feed motion includes: the workpiece rotates for circular feed motion, the workpiece moves back and forth along its axis for longitudinal feed motion, and at the end of each longitudinal or reciprocating stroke of the workpiece, the grinding wheel periodically performs transverse feed motion, gradually grinding away all the excess in multiple reciprocating stroke...

Briefly explain the working method of the cylindrical grinder

2025-04-07

An external cylindrical grinder generally consists of a cast iron bed body, a worktable, a headstock and tailstock that support and drive the workpiece to rotate, a grinding wheel rack (grinding head) that installs the grinding wheel, a transverse feed mechanism that controls the size of the grinding workpiece, and electrical and hydraulic devices that control the movement of the machine tool's moving parts.Machine tools are mainly used for grinding outer cylindrical surfaces and conical surfaces. There are two basic grinding methods: longitudinal grinding and cutting in grinding. During longitudinal grinding, the grinding wheel rotates as the main motion, and the feed motion includes: the workpiece rotates for circular feed motion, the workpiece moves back and forth along its axis for longitudinal feed motion, and at the end of each longitudinal or reciprocating stroke of the workpiece, the grinding wheel ...

Preparation work before operating CNC cylindrical grinder

2025-04-07

CNC cylindrical grinding machines are mainly used for precision grinding of end faces, outer circles, and conical surfaces of batch shaft parts, and are the main equipment in industries such as automotive engines. Suitable for processing shaft parts with small batch sizes and high precision requirements in general precision machining workshops; Used for upper roller processing in textile spinning industry, including coarse and fine yarn machines, drawing machines, combing machines, and carding machines; Used for the production and manufacturing of office communication equipment industry, fax machines, copiers, printers, engraving machines and other rubber roller processing; Suitable for automatic conveyor rollers in the printing and food industries, as well as plastic processing.The preparation work before operating the CNC cylindrical grinder is as follows:1. Check the 'handover record'.2. Check whether th...

What are the precautions when operating an external cylindrical grinder

2025-04-07

An external cylindrical grinder is a grinder that is programmed in advance according to processing requirements, and numerical information instructions are issued by the control system for processing. It is mainly used for grinding cylindrical and conical outer surfaces. Generally, it has the characteristics of high universality, modularity, high precision, high rigidity, efficiency, and high adaptability, and is suitable for batch processing of related parts in industries such as automobiles, motorcycles, air compressors, bearings, etc. The measured values are automatically input into the CNC system, which sends a signal to rotate the X-direction servo motor, driving the ball screw to the given position, and stabilizing the size of the ground workpiece to the required position. 1、 Before specific use, it is necessary to carefully inspect the machinery, protective devices, work cards, measuring tools...

How to extend the service life of CNC end face cylindrical grinding machine

2025-04-07

The CNC end face cylindrical grinder should be maintained during daily use to extend its service life. There are many different performance and characteristics of devices, and attention should be paid to these aspects during use. For example, the selection of sheet metal should be determined based on the mechanical performance, etc. If not taken seriously during use, it may shorten the service life of the machinery and have a lot of impact on the work.The main maintenance parts of the CNC end face cylindrical grinder include the grinding wheel frame, oil tank, static pressure oil tank, worktable drive mechanism (Z-axis), cross feed mechanism (X-axis), ball screw lubrication system, etc.(1) Grinding wheel holder: Check the spindle clearance, whether the unloading pulley bearing is damaged, whether the grinding wheel motor is running abnormally, and whether the dynamic pressure is established; (2) Fuel tank: ...

Working principle of automatic loading and unloading CNC cylindrical grinder

2025-04-07

Automatic loading and unloading CNC cylindrical grinder is a grinder that processes the outer surface and shoulder end face of cylindrical, conical, or other shaped lines of workpieces; Widely used, capable of processing various cylindrical conical outer surfaces and shaft shoulders.This CNC cylindrical grinder is mainly used for grinding cylindrical and conical surfaces. There are two basic grinding methods: longitudinal grinding and cutting in grinding. During longitudinal grinding, the grinding wheel rotates as the main motion, and the feed motion includes: the workpiece rotates for circular feed motion, the workpiece moves back and forth along its axis for longitudinal feed motion. At the end of each longitudinal or reciprocating stroke of the workpiece, the grinding wheel periodically performs a transverse feed motion, and all excess is gradually ground away in multiple reciprocating strokes.When cutti...

How to improve the precision of cylindrical grinding machine

2025-04-07

External cylindrical grinding machines are widely used in the bearing industry, and their development is particularly prominent in the automotive and motorcycle industries. It is based on the contour shape of the processed workpiece, using many straight lines and arcs to form the outer contour of the grinding wheel. By analyzing machine tools, understanding the causes of machine tool failures and errors is beneficial for improving the precision of machine tools.There are five measures to improve the precision of cylindrical grinding machines:(1) Reduce the original error. Identify the causes of errors, eliminate and reduce them;(2) Compensate for the original error. Artificially creating some errors to offset the original errors;(3) Transfer the original error. Transfer geometric errors, thermal deformation, etc. in the process system;(4) Divide the original error equally. Divide the error into several part...

Operation specifications for CNC end face cylindrical grinding machine

2025-04-07

The CNC end face cylindrical grinder is a two axis linkage CNC high-speed end face equipment, suitable for grinding cylindrical and conical outer circles, especially for grinding cylindrical stepped shaft workpieces, such as gear shafts, camshafts, crankshafts, etc. in gearboxes. By selecting the appropriate grinding wheel and grinding process, the precision and roughness of the machine tool can stably meet the standards.1. The operator must be familiar with the operation sequence and performance of the machine tool.2. Before starting up, check whether all handles and stroke stops are intact and secure, and tighten the stroke switch screws.3. Before starting, the specified lubricating oil should be added according to the equipment lubrication chart.4. Start the lubricating oil pump and night pressure pump motor, check and adjust the night pressure system pressure, lubrication system pressure, and manually r...