The outer circle grinding beds are divided into ordinary external round grinding beds and all-powerful outer round grinding beds. The outer cylindrical and cone sides of the normal outer round grinding beds allow the grinding of the inner cylindrical and inner cone surfaces and end noodles
The outer circle grinding beds are divided into ordinary outer round grinding beds and all-powerful outer round grinding beds, with the outer cylindrical and cone sides of the ordinary outer round grinding beds, and the inner cylindrical and inner cone sides and sides of the maces. The main parameter of the outer circle grinding bed is the maximum sharpening diameter。
Work thinking
The outer circle grinding bed is centred on two hearts, and the sand wheel is used as a blade, and the cylindrical steel is extracted from a grinding bed (also called a perusal grinding bed or a drum grinding bed) of a precise concentric degree。
Structure
The mainframe consists of parts such as bed body, head, tail, grinding head, transfer vacuum. The head of the car, with a grinding angle, with a special kit for grinding pins and the back corner of the skin, a balance frame, and three parts of the leather detector are ordered by the client。
Characteristics
The main axle bearings of the sand wheel are cone-forming oil wedge pressure bearings, and the main axle of the sand wheel is still high at low speed. 2. The sander rail tracks use a new cross-roller track and are semi-automatically delivered to institutions using rotary tanks. 3. The tailings axis is of a rigidity, with electrical boxes, hydraulic cooling tanks separated from the machine bed. 4. Sharpening indicators and cooling fluid filters. Five, the speed of the head shelf is the one that communicates with the frequency of change without a velocity. Electrical application of programmable controllers (pc) with self-diagnostic functionality and maintenance is convenient. 7. Optional automatic metering。
(b) exterior grinding and other forms and characteristics of grinding:
Crop forms
Collapse takes a variety of forms and can take a variety of different forms by way of classification。
By the shape of the sharpened surface, it can be divided into external round grinding, inner circle grinding, flat grinding, screw grinding, gear grinding, track grinding, deep hole grinding, etc。
Rational characteristics
1 the grinding can reach high precision and low surface roughness, usually up to the it6-it7 scale, and the processing surfaces obtained have a roughness of ra1. 25-0. 08um; the surfaces of ultra-precision and mirror grinding can have a roughness of ra0. 05um.
2. Materials that are difficult to process, such as flaming steel, hot alloy steel and hard alloy。
3 the grinding is easy to form. Since sand turbines can be modified to different shapes according to processing requirements, they can be sharpened for complex tectonics. It is widely used for precision grinding and reducing the middle of processing。
4. A small residual amount of grinding is suitable for subsequent processing of precision casting, modelling, and precision pressurized instruments to further increase the precision of the fine fur and reduce surface roughness。
The grinding is applied to automation equipment and optimizes the grinding process。
Purpose
The outer circle grinding beds, which are used mainly for the edges, outer circles and fine grinding of cones of parts of a batch of axes, are the main equipment in the automobile engine industry. The same applies to the processing of a small mass of axle parts in military engineering, space, general precision machine workshops with high accuracy. (i) used in textile gauze industries, coarse gauze machines, stripes, combos, magazines, etc. (2) for the manufacture of office communications equipment, fax machines, photocopiers, printers, typewriters, etc. (3) applies to printing, food, automatic transport devices in the pharmaceutical industry, plastic processing。
Effects of the precision of the external round grinding bed processing
1: the effect of the heaviness of the grinding, head shelf and tail on the accuracy of the work. An error in the heights of the grinding head, the head shelf, the tailings will cause a shift in space between the head shelf, the centre of the tailings and the main axis of the sand wheel, at which point the surface of the milling will be a hyperbolic surface. 2: the effect of the header, tail centre link on the parallel error in the main axis of the grinding head within the horizontal surface on the accuracy of the work mass. When this error occurs, the outer circle grinder shall be formed in the shape of a cone, i. E. Sand wheeled in an angle, with a spiraled grinding on the surface. 3: the effect of the grinding movement on the processing precision of the verticality of the guidance tracks of the machine. The result of this error is a deviation between the main axis and the head and the centre of the tail, which, when grinding the shoulder end of the axis, causes a vertical error between the shoulder end of the axis and the axe of the work unit. When grinding the outer circle, it will affect the roughness of the surface and produce spiral grinding。
