IG800 CNC Internal Cylindrical Grinding Machine
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IG800 CNC Internal Cylindrical Grinding Machine
  • IG800 CNC Internal Cylindrical Grinding Machine

IG800 CNC Internal Cylindrical Grinding Machine

IG800 CNC Internal Cylindrical Grinding Machine remove material from the work piece by abrasion. To cool the work piece so that it does not overheat and go outside its tolerance, grinding machines incorporate a coolant.
  • IG800 CNC Internal Grinding MachineDownload
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Technical parameters of Machine IG800 CNC Internal Cylindrical Grinding Machine
Main parameters Unit IG800 CNC
Grinding hole diameter mm Φ70-Φ800
Max. grinding depth mm 450
Max. workpiece swivel diameter mm Φ1000
Rotate speed of grinding spindle r/min 5-35
Four-jaw chuck mm Φ1000
Max. longitudinal movement of headstock mm 350
Move speed of X axis m/min 10
Resolution of X axis mm 0.001
Max. stroke of X axis mm 260
Move speed of Z axis m/min 10
Resolution of Z axis mm 0.001
Max. stroke of Z axis mm 650
Max. weight of workpiece kg 800
Max. diameter of grinding wheel mm Φ350
Max. width of grinding wheel mm 125
Peripheral speed of grinding wheel m/min ≤35
Max. swing angle of headstock degree 20°
Machine dimension mm 4550x2200x2400
Machine power kW 25
Machine working accuracy Roundness for inner bore mm 0.005
Cylindricity for inner bore mm 0.008
Roughness for inner bore µm ≤ Ra0.63
Perpendicularity for the end face to inner bore mm ≤0.004 (based on max. value)
Roughness for end face µm Ra0.8
Dimension dispersion mm ≤0.006
 
Main Applications
This machine is mainly applicable for the grinding process of large sized bearing ring inner bore, end face and etc.
 
Main Structure and Features
1. Complete full enclosure, viewing window with mesh and equipped with PMMA for the protection;
2. Manual worm and gear for the headstock chain wheel rotation, worktable reciprocation and grinding wheelhead feeding;
3. Taiwan HIWIN linear guideway with super high loading capacity, rigidity working accuracy and low friction is applied for the worktable reciprocation. The guideway install base of X axis and Z axis is mutually perpendicular, ball screws for each axis are also from Taiwan HIWIN, which endures the accuracy and rigidity of machine reciprocation motion;
4. Siemens 802DLS servo system, two axes, CCU3, PCU20, 611D drive, which is dedicated for grinders, is reliable for interpolation, and oscillation while end face. 10.4” LCD color screen with automatic fault diagnosis, fault alarm and records;
5. Portable B-MPI, axis and multiplying rate selectable, which ensures the adjustment and tool setting, specially suitable for medium mass production with various products;
6. Guideways and ball screws are all designed with protection cover which ensures the machine accuracy and life time;
7. Machine headstock equipped with a four-jaw chuck, Φ1000, manual operation for clamp and loading/unloading. Extra equipped with one self-centering four-jaw linkage chuck which is capable for each jaw with micro adjustment;
8. Three sets of grinding wheelhead configurations: Φ70~Φ250, Φ250~Φ400, and Φ400~Φ800, with NSK bearings;
9. Fixed single-point linear grinding wheel dresser;
10. Self-made magnetic separation and paper filtration system for cooling requirement. System capacity:480L, flow 100L/min, and filter fineness≤10~20μm;

Internal Grinders
FORTUNE PACIFIC has a full line of small diameter Internal Cylindrical Grinding Machines, also knows as ID grinders. From multi work-head/multi spindle machines, to hydrostatic ways and linear motors, FORTUNE PACIFIC has the ability to hold ultra tight tolerances on bores, angles, and faces. Our ID grinders are very popular for fuel injector grinding in the automotive industry.

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
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.
Main Structure and Features
1. Complete full enclosure, viewing window with mesh and equipped with PMMA for the protection;
2. Manual worm and gear for the headstock chain wheel rotation, worktable reciprocation and grinding wheelhead feeding;
3. Taiwan HIWIN linear guideway with super high loading capacity, rigidity working accuracy and low friction is applied for the worktable reciprocation. The guideway install base of X axis and Z axis is mutually perpendicular, ball screws for each axis are also from Taiwan HIWIN, which endures the accuracy and rigidity of machine reciprocation motion;
4. Siemens 802DLS servo system, two axes, CCU3, PCU20, 611D drive, which is dedicated for grinders, is reliable for interpolation, and oscillation while end face. 10.4” LCD color screen with automatic fault diagnosis, fault alarm and records;
5. Portable B-MPI, axis and multiplying rate selectable, which ensures the adjustment and tool setting, specially suitable for medium mass production with various products;
6. Guideways and ball screws are all designed with protection cover which ensures the machine accuracy and life time;
7. Machine headstock equipped with a four-jaw chuck, Φ1000, manual operation for clamp and loading/unloading. Extra equipped with one self-centering four-jaw linkage chuck which is capable for each jaw with micro adjustment;
8. Three sets of grinding wheelhead configurations: Φ70~Φ250, Φ250~Φ400, and Φ400~Φ800, with NSK bearings;
9. Fixed single-point linear grinding wheel dresser;
10. Self-made magnetic separation and paper filtration system for cooling requirement. System capacity:480L, flow 100L/min, and filter fineness≤10~20μm;
Technical parameters of Machine IG800 CNC Internal Cylindrical Grinding Machine
Main parameters Unit IG800 CNC
Grinding hole diameter mm Φ70-Φ800
Max. grinding depth mm 450
Max. workpiece swivel diameter mm Φ1000
Rotate speed of grinding spindle r/min 5-35
Four-jaw chuck mm Φ1000
Max. longitudinal movement of headstock mm 350
Move speed of X axis m/min 10
Resolution of X axis mm 0.001
Max. stroke of X axis mm 260
Move speed of Z axis m/min 10
Resolution of Z axis mm 0.001
Max. stroke of Z axis mm 650
Max. weight of workpiece kg 800
Max. diameter of grinding wheel mm Φ350
Max. width of grinding wheel mm 125
Peripheral speed of grinding wheel m/min ≤35
Max. swing angle of headstock degree 20°
Machine dimension mm 4550x2200x2400
Machine power kW 25
Machine working accuracy Roundness for inner bore mm 0.005
Cylindricity for inner bore mm 0.008
Roughness for inner bore µm ≤ Ra0.63
Perpendicularity for the end face to inner bore mm ≤0.004 (based on max. value)
Roughness for end face µm Ra0.8
Dimension dispersion mm ≤0.006
Internal Grinders
FORTUNE PACIFIC has a full line of small diameter Internal Cylindrical Grinding Machines, also knows as ID grinders. From multi work-head/multi spindle machines, to hydrostatic ways and linear motors, FORTUNE PACIFIC has the ability to hold ultra tight tolerances on bores, angles, and faces. Our ID grinders are very popular for fuel injector grinding in the automotive industry.

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
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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