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Features :
- 1. Rigid Machine Structure
- (1) The machine structure is manufactured from high quality Meeharite cast iron, heat treated and stress relieved before machining.
- (2) Sideways are high frequency hardened and precision ground. Maximum material stability for deformation-free and outstanding wear resistance.
- 2. Precision Spindles
- (1) The grinding wheel spindle and the regulating wheel spindle are precision machined from Nickel Chromolybedenum alloy steel (SNCM-220). Also, they are subject to various treatments such as: normalized, tempered and carburized hardening. Then, the spindles are thru sub-zero treated – under zero degrees, precision ground and precision machined.
- (2) The inside of spindle is tempered to hardness HRC 25°~30°, while surface hardness reaches over HRC 62. The precision ground spindle is excellent for heavy-duty machining and features powerful torque, long service life, deformation-free and maximum wear resistance.
- 3. Slide Table
- (1) Upper slide swiveling is easy and accurate to adjust for making the machine suitable for infeeding grinding. Also, it allows grinding for a varied diameter fo workpieces. The Upper slide with +5°~-5° swiveling allows taper grinding by using infeed grinding mode.
- (2) With thrufeed grinding, the Upper slide provides a surface contact adjustment between the workpiece and grinding wheel. Swiveling adjustment range is +5°~-3°.
- (3) Dovetailed slideway on the upper slide features smooth and accurate feeding and is lubricated by a centralized lubricator.
- (4) The bottom slide moves on “Λ” shaped and double-wedged ways.
- The slideways are hardened and precision ground. They feature smooth movement and properly protected to prevent dust from entering. Micrometric feed adjustment unit is 0.001 mm to meet high accuracy requirements for all workpieces.
Specifications:
| SPECIFICATIONS | PC-12 |
| Grinding Wheel | |
| Standard grinding range (Dia.) | Ø1~Ø40 mm |
| Capacity increases with special arrangement | Ø30~Ø60 mm |
| Grinding wheel size (O.D. x width x I.D.) | Ø305 x 150 x Ø120 |
| Grinding wheel speed | 1900 R.P.M. |
| Grinding wheel motor | 7-1/2 HP x 4P |
| Regulating Wheel | |
| Regulating wheel size (O.D. x width x I.D.) | Ø205 x 150 x Ø90 |
| Regulating wheel speed | 20 ~ 337 R.P.M. (10 Steps) |
| Regulating wheel motor | 1HP x 6P |
| Regulating wheel tilt angle | +5° ~ -3° |
| Regulating wheel swivel angle | ±5° |
| Handwheel Graduation | |
| Upper slide feed graduation | 4 mm/rev. 0.025 mm/graduation |
| Upper slide micro-feed graduation | 0.1 mm/rev. 0.001 mm/graduation |
| Lower slide feed graduation | 7 mm/rev. 0.05 mm/graduation |
| Lower slide micro-feed graduation | 0.2 mm/rev. 0.001 mm/graduation |
| Trimming device graduation | 1.25 mm/rev. 0.01 mm/graduation |
| Drive Motors | |
| Hydraulic pump motor | 1 HP x 4P |
| Coolant pump motor | 1/8 HP x 2P |
| Machine Dimensions | |
| Machine Dimensions | 1750 x 1050 x 1400 mm |
| Net weight | 1650 kgs |
| Gross weight | 1900 kgs |
Standard Accessories:
1. Regulating wheel and flange (1 set) (mounted on machine)
2. Grinding wheel and flange (1 set) (mounted on machine)
3. Infeed work rest and carbide blade (1 set)
4. Thrufeed work rest and carbide blade (1 set)
5. Standard electric equipment (1 set) ( mounted on machine)
6. Oil tank (1 set) (ind. Oil cooling fan)
7. Standard coolant system (1 set)
8. Diamond tools (2 pcs) (mounted on machine)
9. Work lamp (1 set) (mounted on machine)
10. Tool box and Tools (1 set)
2. Grinding wheel and flange (1 set) (mounted on machine)
3. Infeed work rest and carbide blade (1 set)
4. Thrufeed work rest and carbide blade (1 set)
5. Standard electric equipment (1 set) ( mounted on machine)
6. Oil tank (1 set) (ind. Oil cooling fan)
7. Standard coolant system (1 set)
8. Diamond tools (2 pcs) (mounted on machine)
9. Work lamp (1 set) (mounted on machine)
10. Tool box and Tools (1 set)
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Optional Accessories:
1. Wheel balancing stand and arbor
2. Automatic infeed attachment
3. Manual feeder for infeed grinding (up and down)
4. Hydraulic work ejector (infeed grinding)
5. Automatic loading attachment (thrufeed grinding) (Ø5-20 mm, L100-600 mm)
6. Automatic feeder for thrufeed grinding (hopper type) (Ø2-8 mm, L50-180 mm)
7. Automatic unloading attachment (thrufeed grinding)
8. V Type Supporter for long bar grinding
9. Profile grinding attachment
10. Magnetic coolant separator
11. Magnetic with paper filter
12. Hydrocyclone coolant separator
13. Auto. Loading and unloading attachment (infeed grinding)
14. Vibratory feeder (thrufeed grinding)
15. Large work rest (thrufeed grinding) L:250 – 500 mm
2. Automatic infeed attachment
3. Manual feeder for infeed grinding (up and down)
4. Hydraulic work ejector (infeed grinding)
5. Automatic loading attachment (thrufeed grinding) (Ø5-20 mm, L100-600 mm)
6. Automatic feeder for thrufeed grinding (hopper type) (Ø2-8 mm, L50-180 mm)
7. Automatic unloading attachment (thrufeed grinding)
8. V Type Supporter for long bar grinding
9. Profile grinding attachment
10. Magnetic coolant separator
11. Magnetic with paper filter
12. Hydrocyclone coolant separator
13. Auto. Loading and unloading attachment (infeed grinding)
14. Vibratory feeder (thrufeed grinding)
15. Large work rest (thrufeed grinding) L:250 – 500 mm
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TAIWAN Brand Centerless Grinder Series
