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SG40100F AH AHR AHD Saddle Moving Surface Grinder
  • SG40100F AH AHR AHD Saddle Moving Surface Grinder
  • SG40100F AH AHR AHD Saddle Moving Surface Grinder

SG40100F AH AHR AHD Saddle Moving Surface Grinder

AHR: auto intermittent feed on transverse, hydraulic transmission on longitudinal, rapid feed on vertical. AHD: auto intermittent feed on transverse, hydraulic transmission on longitudinal, wheel head auto down feed with servo motor.
  • SG40100F AH AHR AHD Saddle Moving Surface Grinding MachineDownload
  • SG40100F AH AHR AHD Máquina de pulir superficie de silla de montarDownload
1. AH: auto intermittent feed on transverse, hydraulic transmission on longitudinal, manual feed on vertical.
2. AHR: auto intermittent feed on transverse, hydraulic transmission on longitudinal, rapid feed on vertical.
3. AHD: auto intermittent feed on transverse, hydraulic transmission on longitudinal, wheel head auto down feed with servo motor to achieve rapid feed on vertical.
SG40100F AH AHR AHD Saddle Moving Surface Grinding Machine Technical parameters
Main parameters Unit SG40100F
Table size mm 406x1020 406x1020 406x1020
Magnetic chuck size mm 400x1000 400x1000 400x1000
Distance from spindle center to table surface mm 580 580 580
Table cross travel mm 450 450 450
Table longitudinal travel mm 1130 1130 1130
Max load of table (including magnetic chuck)  kg 600 600 600
Speed of table longitudinal move mm/min 5-25 5-25 5-25
Cross motion intermittent feed rate mm/t 0.1-8 0.1-8 0.1-8
Rapid feed mm/min 990 990 990
Feed of handwheel mm/div 0.02 0.02 0.02
Vertical motion auto down feed rate mm/t - - 0.005-0.5
Rapid down speed mm/min - 650 480
Feed of handwheel mm/div 0.005 0.005 0.005
Spindle rotating speed r/min 1450 (50Hz);
1750 (60Hz)
1450 (50Hz);
1750 (60Hz)
1450 (50Hz);
1750 (60Hz)
Grinding wheel size mm 350x40x127 350x40x127 350x40x127
Spindle motor kW 4 4 4
Floor space (L x W x H) mm 4400x2400x1900 4400x2400x1900 4400x2400x1900
Gross weight kg 3900 3900 3900
Packing size (L x W x H) mm 2950x2270x2210 2950x2270x2210 2950x2270x2210
Saddle Moving Surface Grinding Machine Equipments
1. Grinding wheel;                   2. Grinding wheel flange;
3. Coolant tank;                     4. Balancing arbor;
5. Electrical magnetic chuck;          6. Wheel extractor;
7. Leveling wedge and bolt;           8. Wheel dresser stand;
9. Build in magnetic chuck controller;  10. Work lamp;
11. Tools and tool box;               12. PLC auto grind controller (only for AHD series);
1. Balancing stand;                      2. Flange;       
3. Parallel dresser                      4. 2-axis DRO;
5. Dust exhaust apparatus;              6. Closed guard of worktable;
7. Luxury splash board;                 8. Magnetic separator;
9. Paper filter;                         10. Magnetic separator and paper filter;
11. Diamond pen;

Surface grinding is used to produce a smooth finish on flat surfaces. SG40100F AH AHR AHD Saddle Moving Surface Grinder is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it flat or smooth.

Surface grinding is the most common of the grinding operations. It is a finishing process that uses a rotating abrasive wheel to smooth the flat surface of metallic or nonmetallic materials to give them a more refined look by removing the oxide layer and impurities on work piece surfaces. This will also attain a desired surface for a functional 

SG40100F AH AHR AHD Saddle Moving Surface Grinder is composed of an abrasive wheel, a workholding device known as a chuck, and a reciprocating or rotary table. The chuck holds the material in place while it is being worked on. It can do this one of two ways: ferromagnetic pieces are held in place by a magnetic chuck, while non-ferromagnetic and nonmetallic pieces are held in place by vacuum or mechanical means. A machine vise (made from ferromagnetic steel or cast iron) placed on the magnetic chuck can be used to hold non-ferromagnetic workpieces if only a magnetic chuck is available.

Factors to consider in surface grinding are the material of the grinding wheel and the material of the piece being worked on.

Typical workpiece materials include cast iron and mild steel. These two materials don't tend to clog the grinding wheel while being processed. Other materials are aluminum, stainless steel, brass and some plastics. When grinding at high temperatures, the material tends to become weakened and is more inclined to corrode. This can also result in a loss of magnetism in materials where this is applicable.

The grinding wheel is not limited to a cylindrical shape and can have a myriad of options that are useful in transferring different geometries to the object being worked on. Straight wheels can be dressed by the operator to produce custom geometries. When surface grinding an object, one must keep in mind that the shape of the wheel will be transferred to the material of the object like a reverse image.

Surface Grinder with electromagnetic chuck, inset shows a Manual magnetic chuck

Surface Grinding machines
A Surface Grinding machine/Surface grinder consists of an abrasive wheel, a chuck (a workpiece holding device), and a rotary table. The chuck is used to hold the material in place while the wheel and object are rotated to produce a smooth finish.

Surface Grinding machine/Surface grinder, which has a head that is lowered to a work piece, which is moved back and forth under the grinding wheel on a table that typically has a controllable permanent magnet (magnetic chuck) for use with magnetic stock (especially ferrous stock) but can have a vacuum chuck or other fixture means. The most common surface grinders have a grinding wheel rotating on a horizontal axis cutting around the circumference of the grinding wheel. Rotary surface grinders, commonly known as "Blanchard" style grinders, have a grinding head which rotates the grinding wheel on a vertical axis cutting on the end face of the grinding wheel, while a table rotates the work piece in the opposite direction underneath. This type of machine removes large amounts of material and grinds flat surfaces with noted spiral grind marks. It can also be used to make and sharpen metal stamping die sets, flat shear blades, fixture bases or any flat and parallel surfaces. FORTUNE PACIFIC Surface Grinding machine/Surface grinders can be manually operated or have CNC controls.

A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding, which is a type of machining using an abrasive wheel as the cutting tool. Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.

Grinding is used to finish workpieces that must show high surface quality (e.g., low surface roughness) and high accuracy of shape and dimension. As the accuracy in dimensions in grinding is of the order of 0.000025 mm, in most applications it tends to be a finishing operation and removes comparatively little metal, about 0.25 to 0.50 mm depth. However, there are some roughing applications in which grinding removes high volumes of metal quite rapidly. Thus, grinding is a diverse field.

Overview of grinding machine
The grinding machine consists of a bed with a fixture to guide and hold the work piece, and a power-driven grinding wheel spinning at the required speed. The speed is determined by the wheel’s diameter and manufacturer’s rating. The grinding head can travel across a fixed work piece, or the work piece can be moved while the grind head stays in a fixed position.

Fine control of the grinding head or table position is possible using a vernier calibrated hand wheel, or using the features of numerical controls.

Grinding machines remove material from the work piece by abrasion, which can generate substantial amounts of heat. To cool the work piece so that it does not overheat and go outside its tolerance, grinding machines incorporate a coolant. The coolant also benefits the machinist as the heat generated may cause burns. In high-precision grinding machines (most cylindrical and surface grinders), the final grinding stages are usually set up so that they remove about 200 nm (less than 1/10000 in) per pass - this generates so little heat that even with no coolant, the temperature rise is negligible.
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