Top Seller
8" Dia. 20" Length Supertec
Location:
Harrison, NJ
Price:
$26,900 USD
Manufacturer:
Supertec
Model:
G20P-50M
Grinding Length:
2.76"
Weight:
3600 lbs

Specifications

Condition:
new
Stock number:
137696
Note:
PHOTO SHOWS MODEL w/CII CONTROL
Age info:
NEW
Net weight:
3600 lbs
Center taper:
MT3
Gross weight:
4770 lbs
Quill travel:
1"
Spindle type:
Live and Dead
Coolant motor:
1/8 HP
Spindle speed:
150/264/356/480 rpm
Hydraulic pump:
N/A
Per graduation:
0.0001"
Per revolution:
0.01"
Traverse speed:
2.8, 4.9, 8.3 IPM
Workhead motor:
¼ HP
Swing over table:
8"
Packing dimension:
82"x47"x78" (L x W x H)
Max. grinding bore:
0.95"~2.76"
Wheel spindle motor:
3 HP
Max. chucking length:
10.75"
Max. grinding length:
2.76"
(dia. x width x bore):
14"x1~2"x 5"
Wheel speed (50/60hz):
1960 rpm
Infeed/handfeed travel:
6-1/3"
Max. chucking diameter:
4.33"
Max. grinding diameter:
8"
Swivelling angle (r&l):
FIXED
Internal grinding motor:
.5 HP
Distance between centers:
20"
Handwheel per revolution:
0.35"
Hydraulic rapid traverse:
N/A
Swivelling angle (r&l) 2:
+7°/-7°
Swivelling angle (r&l) 3:
+30° /-90°
Max. load held between centers:
176 lbs

Description

NEW SUPERTEC UNIVERSAL CYLINDRICAL GRINDER
8" x 20" MODEL G20P-50M w/Manual Infeed
NOTE: PHOTO SHOWS MODEL w/CII CONTROL
FEATURES:
- Sturdy rigid-designed workhead offers four selectable speeds from
150 to 483 rpm and swivels ±45° for various grinding operations.
- The design of the tailstock is both rigid and robust. Housed in
a cast body, the hardened nitralloy steel sleeve is designed to carry
a MT3 center.
- Cartridge type wheel spindle is equipped with four super precision
angular contact class 7 (ABEC) bearings ensure high accuracy.
- One V and one flat hand-scraped guideways are Turcite coated and
incorporated with an automatic lubrication system and micro-stepping
motor. Smooth movement of the wheelhead delivers longer way life with
superior positioning accuracy and repeatability.
- Universal table with variable speeds can swivel +3°/-5° (G20P) and
+7°/-9° (G25P) for cylindricity corrections and taper grinding
applications.
- Slideways, leadscrews are continuously lubricated by an auto-lube
system to ensure long service life and maintain maximum accuracy.
- Optional internal grinding attachment swings down into working
position easily and quickly. It can grind workpieces with bores
ranging from 3/5"-2 ¾" and depth up to 2 ¾".
- Optional hydraulic tailstock with foot pedal is available for
easy loading and unloading of parts.
SPECIFICATIONS:
GENERAL CAPACITY
Distance Between Centers: 20"
Swing Over Table: 8"
Max. Grinding Diameter: 8"
Max. Load Held Between Centers: 176 lbs
WHEELHEAD
Swivelling Angle (R&L): FIXED
Infeed/Handfeed Travel: 6-1/3"
Hydraulic Rapid Traverse: N/A
Infeed of Handwheel
Per Graduation: 0.0001"
Per Revolution: 0.01"
GRINDING WHEEL
Wheel Diameter
(Dia. x Width x Bore): 14"x1~2"x 5"
Wheel Speed (50/60Hz): 1960 rpm
TABLE
Swivelling Angle (R&L): +7°/-7°
Traverse Speed: 2.8, 4.9, 8.3 IPM
Handwheel Per Revolution: 0.35"
WORKHEAD
Swivelling Angle (R&L): +30° /-90°
Center Taper: MT3
Spindle Speed: 150/264/356/480 rpm
Spindle Type: Live and Dead
TAILSTOCK
Center Taper: MT3
Quill Travel: 1"
INTERNAL GRINDING SPINDLE
Spindle speed: 14,000 (opt: 25,000)
Max. Grinding Bore: 0.95"~2.76"
Max. Grinding Length: 2.76"
Max. Chucking Length: 10.75"
Max. Chucking Diameter: 4.33"
MOTORS
Wheel Spindle Motor: 3 HP
Workhead Motor: ¼ HP
Coolant Motor: 1/8 HP
Hydraulic Pump: N/A
Internal Grinding Motor: .5 HP
MACHINE
Net weight: 3600 lbs
Gross weight: 4770 lbs
Packing dimension: 82"x47"x78" (L x W x H)
STANDARD ACCESSORIES:
- Grinding wheel w/flange
- Carbide tip center
- Balancing arbor
- Leveling screws w/blocks
- Coolant System
- Wheel extractor
- Auto lubrication system
- 5C level type collet closer
-Tool box with adjusting tools
- Operation manual with parts list
- Dressing attachment (fixed at tailstock)
OPTIONS, TOOLING AND ACCESSORIES (call for pricing):
BACK PLATE & SCROLL CHUCKS
- 3-Jaw chuck (4")
- 4-Jaw chuck (4")
- 5C Back plate (4")
- 3-Jaw chuck (5")
- 4-Jaw chuck (5")
- 5C Back plate (5")
COLLETS & COLLET ATTACHMENTES:
- Royal m