centerless Grinding Machine S/NC Series

Precision spindles
The GW spindle and the RW spindle are precision machined and made from alley steel, processed with normalization, aging, and heat treatment, then proceed to sub-zero treatment, finally finished after precision machining and grinding.
Pressure switch
When starting the GW and RW spindle, this pressure switch allows starting only when oil enters into bearings thereby providing safety protection for the spindle bearings.
Feed screw
The feed screw is manufactured from alloy steel. It's also normailzed, high frequency harden and precision ground in order to have high feeding accuracy and excellent wear resistance.
Lubrication system
The automatic lubricator provides lubrication to the GW spindle. Also all slideways are lubricated by a centerlized lubrication system, ensuring proper lubrication and feeding accuracy.
Model | PC-12S | PC-18S | PC-1810S |
Grinding Wheel | |||
Standard grinding range (dia.) | Ø1~Ø40 mm | Ø1~Ø80 mm | |
Capacity increases with special arrangement | Ø30~Ø60 mm | Ø40~Ø150 mm | |
Grinding wheel size (O.D. x width x I.D.) | Ø305x150xØ120mm | Ø455x205xØ228.6mm | Ø455x255xØ228.6mm |
Linear velocity | 33 M/s | ||
Grinding wheel motor | 7.5HPx 4P(5kW) | 15HPx 4P(11kW) | |
Regulating Wheel | |||
Regulating wheel size (O.D. x width x I.D.) | Ø205x150xØ90 mm | Ø255x205xØ111.2 mm | Ø255x255xØ111.2mm |
Regulating wheel speed | 10~300 r.p.m. (variable speed) | ||
Regulating wheel motor | 1.5kw servo motor | 3kw servo motor | |
Regulating wheel tilt angle | ±5° | ||
Regulating wheel swivel angle | ±5° | ||
Handwheel Graduation | |||
Upper slide feed graduation | 4mm/rev/0.025mm/graduation | 3.5 mm/rev / 0.05 mm/graduation | |
Upper slide micro-feed graduation | 7mm/rev/0.05mm/graduation | 0.1 mm/rev / 0.001 mm/graduation | |
Lower slide feed graduation | 7mm/rev/0.05mm/graduation | 9 mm/rev / 0.05 mm/graduation | |
Lower slide micro-feed graduation | 0.2mm/rev/0.001mm/graduation | 0.2 mm/rev / 0.001 mm/graduation | |
Trimming device graduation | 1.25mm/rev/0.01mm/graduation | 2 mm/rev / 0.01 mm/graduation | |
Motor | |||
Hydraulic pump motor | 1HP x 4P | ||
Coolant motor | 1/8HP x 2P | 1/4HP x 2P | |
Lubrication | Manual Lubricator | ||
Tank | |||
Coolant tank | 100 L | 170 L | |
Hydraulic tank | 53 L | 88 L | |
Lubrication | 0.6 L | 0.6L | |
Weight | |||
New weight | 1700 kgs | 2900 kgs | 3000 kgs |
Model | PC-1812S | PC-20S | |
Grinding Wheel | |||
Standard grinding range (dia.) | Ø1~Ø80 mm | ||
Capacity increases with special arrangement | Ø40~Ø150 mm | ||
Grinding wheel size (O.D. x width x I.D.) | Ø455x305xØ228.6mm | Ø510x205xØ304.8mm | |
Linear velocity | 33 M/s | ||
Grinding wheel motor | 20HPx4P(15kW) | ||
Regulating Wheel | |||
Regulating wheel size (O.D. x width x I.D.) | Ø255x305xØ111.2 mm | Ø305x205xØ127mm | |
Regulating wheel speed | 10~300 r.p.m. (variable speed) | ||
Regulating wheel motor | 3kw servo motor | 5kw servo motor | |
Regulating wheel tilt angle | ±5° | ||
Regulating wheel swivel angle | ±5° | ||
Handwheel Graduation | |||
Upper slide feed graduation | 3.5 mm/rev / 0.05 mm/graduation | ||
Upper slide micro-feed graduation | 0.1 mm/rev / 0.001 mm/graduation | ||
Lower slide feed graduation | 9 mm/rev / 0.05 mm/graduation | ||
Lower slide micro-feed graduation | 0.2 mm/rev / 0.001 mm/graduation | ||
Trimming device graduation | 2 mm/rev / 0.01 mm/graduation | ||
Motor | |||
Hydraulic pump motor | 1HP x 4P | ||
Coolant motor | 1/4HP x 2P | ||
Lubrication | Manual Lubricator | ||
Tank | |||
Coolant tank | 170 L | ||
Hydraulic tank | 88 L | ||
Lubrication | 0.6L | ||
Weight | |||
New weight | 3400 kgs | 3700 kgs | |
Model | PC-24S | PC-2410S | PC-2412S |
Grinding Wheel | |||
Standard grinding range (dia.) | Ø1~Ø100 mm | ||
Grinding wheel size (O.D. x width x I.D.) | Ø610x205xØ304.8mm | Ø610x255xØ304.8mm | Ø610x305xØ355.6mm |
Linear velocity | 40 M/s | ||
Grinding wheel motor | 30HPx 4P(22kW) | ||
Regulating Wheel | |||
Regulating wheel size (O.D. x width x I.D.) | Ø305x205xØ127 mm | Ø305x255xØ127mm | Ø330x305xØ127mm |
Regulating wheel speed | 10~300 r.p.m. (variable speed) | ||
Regulating wheel motor | 5kw servo motor | ||
Regulating wheel tilt angle | +5°~-3° | ||
Regulating wheel swivel angle | ±3° | ||
Handwheel Graduation | |||
Slide feed graduation | 2 kW servo motor | ||
Slide micro-feed graduation | 2.5 mm/rev/0.01 mm/graduation | ||
Trimming device graduation | 2 mm/rev / 0.01 mm/graduation | ||
Motor | |||
Hydraulic pump motor | 1HP x 4P | ||
Coolant motor | 1/2HP x 2P | ||
Lubrication | Manual Lubricator | ||
Tank | |||
Coolant tank | 170 L | ||
Hydraulic tank | 88 L | ||
Lubrication | 0.6L | ||
Weight | |||
New weight | 6000 kgs | 6000 kgs | 6000 kgs |
Model | PC-12S-NC | PC-18S-NC | PC-1810S-NC |
Grinding Wheel | |||
Standard grinding range (dia.) | Ø1~Ø40 mm | Ø1~Ø80 mm | |
Capacity increases with special arrangement | Ø30~Ø60 mm | Ø40~Ø150 mm | |
Grinding wheel size (O.D. x width x I.D.) | Ø305x150xØ120mm | Ø455x205xØ228.6mm | Ø455x255xØ228.6mm |
Linear velocity | 33 M/s | ||
Grinding wheel motor | 7.5HPx 4P(5kW) | 15HPx 4P(11kW) | |
Regulating Wheel | |||
Regulating wheel size (O.D. x width x I.D.) | Ø205x150xØ90 mm | Ø255x205xØ111.2 mm | Ø255x255xØ111.2mm |
Regulating wheel speed | 10~300 r.p.m. (variable speed) | ||
Regulating wheel motor | 1.5kw servo motor | 3kw servo motor | |
Regulating wheel tilt angle | ±5° | ||
Regulating wheel swivel angle | ±5° | ||
Handwheel Graduation | |||
Upper slide feed graduation | 4mm/rev/0.025mm/graduation | 3.5 mm/rev / 0.05 mm/graduation | |
Upper slide micro-feed graduation | 0.1mm/rev/0.001mm/graduation | 0.1 mm/rev / 0.001 mm/graduation | |
Lower slide feed graduation | 7mm/rev/0.05mm/graduation | 9 mm/rev / 0.05 mm/graduation | |
Lower slide micro-feed graduation | 0.2mm/rev/0.001mm/raduation | 0.2 mm/rev / 0.001 mm/graduation | |
Trimming device graduation | 1.25mm/rev/0.01mm/graduation | 2 mm/rev / 0.01 mm/graduation | |
Motor | |||
Hydraulic pump motor | 1HP x 4P | ||
Coolant motor | 1/8HP x 2P | 1/4HP x 2P | |
Lubrication | Manual Lubricator | ||
Controller | |||
Brand | MISTUBISH FX3U-32MR | ||
Tank | |||
Coolant tank | 100 L | 170 L | |
Hydraulic tank | 53 L | 88 L | |
Lubrication | 0.6 L | 0.6L | |
Weight | |||
New weight | 1700 kgs | 2900 kgs | 3000 kgs |
Model | PC-1812S-NC | PC-20S-NC | |
Grinding Wheel | |||
Standard grinding range (dia.) | Ø1~Ø80 mm | ||
Capacity increases with special arrangement | Ø40~Ø150 mm | ||
Grinding wheel size (O.D. x width x I.D.) | Ø455x305xØ228.6mm | Ø510x205xØ304.8mm | |
Linear velocity | 33 M/s | ||
Grinding wheel motor | 20HPx4P(15kW) | ||
Regulating Wheel | |||
Regulating wheel size (O.D. x width x I.D.) | Ø255x305xØ111.2 mm | Ø305x205xØ127mm | |
Regulating wheel speed | 10~300 r.p.m.(variable speed) | ||
Regulating wheel motor | 3kw servo motor | 5kw servo motor | |
Regulating wheel tilt angle | ±5° | ||
Regulating wheel swivel angle | ±5° | ||
Handwheel Graduation | |||
Upper slide feed graduation | 3.5 mm/rev / 0.05 mm/graduation | ||
Upper slide micro-feed graduation | 0.1 mm/rev / 0.001 mm/graduation | ||
Lower slide feed graduation | 9 mm/rev / 0.05 mm/graduation | ||
Lower slide micro-feed graduation | 0.2 mm/rev / 0.001 mm/graduation | ||
Trimming device graduation | 2 mm/rev / 0.01 mm/graduation | ||
Motor | |||
Hydraulic pump motor | 1HP x 4P | ||
Coolant motor | 1/4HP x 2P | ||
Lubrication | Manual Lubricator | ||
Controller | |||
Coolant tank | 170 L | ||
Hydraulic tank | 88 L | ||
Lubrication | 0.6L | ||
Weight | |||
New weight | 3400 kgs | 3700 kgs | |
*The mentioned specifications & dimensions are subject to change without notice.
STANDARD ACCESSORIES:
Regulating wheel and flange x 1 | Hydraulic tank with pump x 1 |
Grinding wheel and flange x 1 | Coolant tank with pump x 1 |
Infeed work rest and carbide blade x 1 | Diamond tools (2 pcs/set) x 1 |
Thrufeed work rest and carbide blade x 1 | Work lamp x 1 |
Electric system x 1 | Tools (Leveling pad) and tool box x 1 |
OPTIONAL ACCESSORIES:
Spare grinding wheel flange | Auto. loading and unloading attachment (infeed grinding) |
Spare regulating wheel flange | Auto. loading attachment (thrufeed grinding) (Ø5~20 mm, L100~600 mm) |
Large work rest (thrufeed grinding) L : 250~500 mm | Auto. unloading attachment (thrufeed grinding) |
Infeed grinding large workrest | Auto. feeder for thrufeed grinding (hopper type) (Ø2~8 mm, L50~180 mm) |
Wheel balancing stand and arbor | Vibratory feeder (thrufeed grinding) |
Profile grinding attachment | V type supporter for long bar grinding (Ø2~14 mm) |
Auto. infeed attachment | Magnetic coolant separator |
Manual feeder for infeed grinding (up and down) | Paper filter |
Hydraulic work ejector (infeed grinding) | Hydrocyclone coolant separator |




