PALMARY MACHINERY CO., LTD.
886-4-24929799
886-4-24929499
No.77, Gongye Rd., Dali Dist., Taichung City 412, Taiwan
www.grinding.com.tw

Products

Precision universal cylindrical grinder
Economic Series
GU 32(42) x 100/150/200S


  • 1 Stable and Rigid Spindle Head

  • (1) The spindle runs on precision bearings, assuring maximum spindle stability. It guarantees outstanding accuracy for external and internal diameter grinding and face grinding.

  • (2)The spindle head swivels +90°~-30°.

  • (3)The spindle head on the 20 series machines provides variable speed changed by frequency inverter.

  • (4)The spindle head on the 32 and 42 series is driven by servomotor, providing variable speed.

  • 2 Precision Wheel Head

  • (1) The grinding wheel spindle is precision machined from high quality alloy steel SNCM-220, normalized, tempered, carburized and sub-zero treated, precision ground and mirror-effect treated. Hardness reaches to over HRC 62°. No deformation, maximum wear resistance and lifetime accuracy are assured.

  • 3. Special Hydrostatic Bearing

  • (1) The wheel spindle runs by using a special hydrostatic bearing and is especially ideal for precision grinding work. It features high speed, no friction between metals, no heat generation, deformation-free, extra high accuracy and continual use.

  • 4. Advanced Hydrostatic Lubrication System

  • (1) The slideways of the table and the wheel head are lubricated by an advanced automatic hydrostatical lubrication system. This provides various features, such as extremely smooth movement, added feed accuracy and superior grinding accuracy.


Specification

SPECIFIATIONS GU 32/42 x 100S GU 32/42 x 150S GU 32/42 x 200S
Capacity      
Distance Between Centers 1000 mm 1500 mm 2000 mm
Swivel Over Table 320 mm / 420 mm 320 mm / 420 mm 320 mm / 420 mm
Max. Load of Centers 100 kgs / 150 kgs 100 kgs / 150 kgs 100 kgs / 150 kgs
Max. External Grinding Diameter 280 mm / 380 mm 280 mm / 380 mm 300 mm / 400 mm
Wheel Hand      
Swivel Angle ±30° ±30° ±30°
Manual Distance 160 mm 160 mm 160 mm
Auto Rapid Advance 40 mm 40 mm 40 mm
Sliding Seat Supplementary Displacement 95 (total 295 mm) 95 (total 295 mm) 95 (total 295 mm)
Min. Setting Unit 0.001 mm 0.001 mm 0.001 mm
One Turn of Handwheel (graduation) 2 (0.005) mm 2 (0.005) mm 2 (0.005) mm
Grinding Wheel      
O.D. x Width x I.D. 355 x 50 x 127 mm 355 x 50 x 127 mm 355 x 50 x 127 mm
Speeds (belt-type) r.p.m. 1783 / 1940 1783 / 1940 1783 / 1940
Work Spindle Head      
Swivel Angle 120° (+90°, -30°) 120° (+90°, -30°) 120° (+90°, -30°)
Center Taper MT : 4 MT : 4 MT : 4
Spindle Speeds (Variable) r.p.m. 10 ~ 300 10 ~ 300 10 ~ 300
Max. Load of Spindle (tool holder included) 35 kgs (Max Length : 150 mm) 35 kgs (Max Length : 150 mm) 35 kgs (Max Length : 150 mm)
Tailstock      
Center Taper MT : 4 MT : 4 MT : 4
Stroke 25 mm 25 mm 25 mm
Table      
Swivel Angle -3°, +8° -3°, +7° -1°, +7°
Traverse Speed 50 / 4000 mm/min 50 / 4000 mm/min 50 / 4000 mm/min
Auto. Reciprocate Min. Stroke 8 mm 8 mm 8 mm
Feed of One Turn of Handwheel (2-step) 20 mm (2mm) 20 mm (2mm) 20 mm (2mm)
Motor      
Wheel Spindle 3.75 kw (4P) 3.75 kw (4P) 3.75 kw (4P)
Workhead Spindle 0.85 kw / 1.3 kw 0.85 kw / 1.3 kw 0.85 kw / 1.3 kw
Hydraulic Pump 0.75 kw (6P) 0.75 kw (6P) 0.75 kw (6P)
Wheel Spindle Lubrication Pump 0.18 kw (2P) 0.18 kw (2P) 0.18 kw (2P)
Coolant Pump 0.18 kw(2P) 0.18 kw(2P) 0.18 kw(2P)
Internal Grinding Spindle 0.75 kw(2P) 0.75 kw(2P) 0.75 kw(2P)
Tank Capacity      
Wheel Spindle Lubrication Tank 12 L 12 L 12 L
Hydraulic Fluid Tank 65 L 65 L 65 L
Coolant Tank 100 L 100 L 100 L
Machine Weight      
Kgs 3200 kgs / 3400 kgs 4100 kgs / 4300 kgs 6000 kgs / 6200 kgs

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