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Last Updated: 9/22/2005
© 1996~2005
Gromax Enterprises Corp.
All Right Reserved.

• PRICES, SPECIFICATIONS, AND FEATURES SUBJECT TO CHANGE WITHOUT NOTICE.

Grinder/Drill Sharpener

Grinding Wheel

Grinding Accessories

Suburban Tool

 

GROMAX>Grinder>Cylindrical Grinder
 

| surface grinder | cylindrical grinder | rotary type surface grinder |
| centerless grinder | cutter & tool grinder/drill sharpener | pin cut-off machine |

Cylindrical Grinder

JMC Series GROMAX Universal Cylindrical Grinding Machine [Optional Accessories]

Accessories
PF Series Cartridge Spindle for Surface/Cylindrical Grinder
KE Series Cartridge Spindle for Surface/Cylindrical Grinder
 

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GROMAX Universal Cylindrical Grinding Machine  
  • Automatic grinding cycle, rapid wheelhead approach and retraction, automatic coarse, fine feed, spark-out, wheelhead retract all in one setting!
  • Suitable for plunge, traverse, and taper grinding.
Complete with standard accessory: Swivel Type Workhead

JMC600AGC

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JMC1000AGC

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Model Price
JMC400H $27,000.00
JMC400AGC $30,800.00
JMC600H $29,200.00
JMC600AGC $33,600.00
JMC1000H $43,500.00
JMC1000AGC $49,500.00
H: Hydraulic table. Rapid approach & retraction
AGC: Hydraulic table. Rapid approach & retraction; automatic grinding cycle features coarse, fine feed and spark-out all in one setting. Suitable for plunge, traverse and taper grinding.

Features:

  • Machine structure: Body made of Meehanite casting with honeycomb ribs providing extra rigidity
  • Workhead: "swiveled 30° clockwise, 90° counter clockwise" Equipped with angular contact ball bearings
  • Wheelhead: equipped with auto lube system to ensure accuracy and spindle life
  • Accuracy: Repeatability 0.00005"; Positioning 0.00005"
  • Swivel headstock
  • Lever operator tailstock
  • Table swivel with dial indicator for taper grinding
  • Coolant tank with splash guards
  • Wheel flange & extractor
  • Automatic lubrication system
  • Wheel dresser
Specifications:

Model

JMC600 JMC1000
Capacity    
Distance between centers 23.6" 39.4"
Max. revolving diameter over bed 8.26" 12.2"
Hydraulic tank capacity 13.75 Gal. 16.67 Gal.
Coolant tank capacity 19 Gal. 26 Gal.
Table    
Hydraulic table speed 2.95~118"/min. 1.96~118"/min.
Traverse per handwheel rotation 0.5"/rev. 0.5"/rev.
Swivel angle (clockwise) 0º 0º
Swivel angle (counterclockwise) 12º 9º
Workhead & Tailstock    
Workhead work center taper No.4 No.4
Tailstock work center taper No.3 No.4
Workhead swivel angle (clockwise) 30º 0º
Workhead swivel angle (counterclockwise) 90º 90º
Workhead spindle speed 100, 140, 232,
302, 364, 504 rpm		 20~100,
60~380 rpm
Wheelhead    
Grinding wheel spindle speed 1700, 2000 rpm 1530, 1800 rpm
Grinding wheel size (O.D.xWidthxI.D.) 14x1.5x5" 16x1.25x5"
Infeed per graduation of handwheel 0.0002" 0.0002"
Infeed per revolution of handwheel 0.08" 0.08"
Rapid infeed stroke 1.575" 1.575"
Wheelhead swivel angle ±30º ±30º
Electric Motor    
Wheel drive motor 5 HP 5 HP
Workhead spindle motor 1/2 HP 1/2 HP
Hydraulic pump motor 1 HP 2 HP
Wheel spindle lubricator motor 1/4 HP 1/4 HP
Coolant pump motor 1/8 HP 1/4 HP
Slide way lubricator motor 1/8 HP 1/8 HP
Floor space 84x75" 117x79"
Net weight 4840 Lbs. 7700 Lbs.
Price
JMC600H
$29,200.00
JMC600AGC
$33,600.00
JMC1000H
$43,500.00
JMC1000AGC
$49,500.00
 
Standard Accessories: [Pictures of standard accessories]
1. Workhead (swivel type)
2. Tailstock
3. Centers of workhead & tailstock
4. Standard grinding wheel
5. Wheel flange & extractor
6. High & low speed pulleys of wheel motor		 7. Wheel dresser
8. Standard coolant supply attachment
9. Lubricant supply attachment
10. Indicator of table swivel with dial indicator
11. Splash guard
12. Tool box with necessary hand tools
           
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Optional Accessories: [Pictures of optional accessories]

Description

For JMC600 For JMC1000
1. Internal Grinding Attachment JMC600.1 $4,620.00 JMC1000.1 $4,620.00
2. 3-point Steady Rest JMC600.2 $528.00 JCM1000.2 $748.00
3. 2-point Steady Rest JMC600.3 $440.00 JCM1000.3 $660.00
4. 2-point heavy load rest (a couple) N/A JCM1000.4 $3,080.00
5. 3-jaw Chuck w/mounting plate JMC600.5 $517.00 JCM1000.5 $715.00
6. 4-jaw chuck w/ mounting plate JMC600.6 $539.00 JCM1000.6 $770.00
7. Permanent magnetic chuck w/plate JMC600.7 $583.00 JCM1000.7 $693.00
8. Roll coolant magnetic chuck w/plate JMC600.8 $1,155.00 JCM1000.8 $1,232.00
9. Paper band filter JCM600.9 $1,771.00 JCM1000.9 $2,002.00
10. Radius Forming Attachment JMC600.10 $1,089.00 JCM1000.10 $1,320.00
11. Angular Forming Attachment JMC600.11 $880.00 JCM1000.11 $1,078.00
12. Extra Wheel Flange JMC600.12 $402.00 JCM1000.12 $550.00
13. Spare grinding wheel JMC600.13 $138.00 JCM1000.13 $259.00
14. Static balancing unit JMC600.14 $407.00 JCM1000.14 $677.00
15. Carbide tipped full and half center (each) JMC600.15 $127.00 JCM1000.15 $149.00
16. Work carrier JMC600.16 $215.00 JCM1000.16 $215.00
17. Grinding gage for manual sizing JMC600.17 $2,118.00 JCM1000.17 $2,118.00
18. Hydraulic wheel dresser holder (use when w/o I.D. attachment) JMC600.18 $2,695.00 JCM1000.18 $2,695.00
19. Wheel micro infeed attachment (for AGC model) JMC600.19 $1,887.00 JCM1000.19 $1,887.00
20. Hydraulic tailstock JMC600.20 $1,870.00 JCM1000.20 $2,068.00
 

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GROMAX Cartridge Spindle PF Series for Surface/Cylindrical Grinder  
 

 
Specifications:
Model
Max. Speed
(rpm)
Motor
(HP)
Runout Accuracy in Taper (µm)
Max. Temperature Rise (°C)
Price
PF-80A-10-36
3600
1
1.5
+10
$2,625.00
PF-80A-10-60
6000
1
1.5
+10
$2,625.00
PF-80A-20-36
3600
2
1.5
+10
$2,625.00
PF-80A-20-60
6000
2
1.5
+10
$2,625.00
PF-80B-10-36
3600
1
1.5
+10
$2,625.00
PF-80B-10-60
6000
1
1.5
+10
$2,625.00
PF-80B-20-36
3600
2
1.5
+10
$2,625.00
PF-80B-20-60
6000
2
1.5
+10
$2,625.00
PF100-30-24
2400
3
2.0
+10
$2,625.00
PF100-30-50
5000
3
2.0
+10
$2,625.00
PF100-50-24
2400
5
2.0
+10
$2,625.00
PF100-50-50
5000
5
2.0
+10
$2,625.00
PF500-50-18
1800
5
2.0
+10
$2,625.00
PF500-50-28
2800
5
2.0
+10
$2,625.00
PF500-75-18
1800
7.5
2.0
+10
$2,625.00
PF500-75-28
2800
7.5
2.0
+10
$2,625.00
UNIT: MM
Model
D
D1
D2
D3
L
L1
L2
L3
L4
L5
L6
L7
PF-80A
80
26
24
M12xP1.5(LH)
337
250
11
27
19
30
30
25
PF-80B
80
26
24
M12xP1.5(LH)
403
317
5
32
19
30
30
25
PF-100
100
36
28
M16xP1.5(LH)
496
366
18
45
27
40
38
32
 

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GROMAX Cartridge Spindle KE Series for Surface/Cylindrical Grinder  
 

 
Specifications:
Model
Max. Speed
(rpm)
Motor
(HP)
L (mm)
L1 (mm)
L2 (mm)
L3 (mm)
Runout Accuracy in Taper (µm)
Max. Temperature Rise (°C)
Price
KE-80A-10-60
6000
1
316
251
11
24
1.5
+10
$900.00
KE-80A-10-120
12000
1
316
251
11
24
1.5
+10
$900.00
KE-80A-20-60
6000
2
316
251
11
24
1.5
+10
$900.00
KE-80A-20-120
12000
2
316
251
11
24
1.5
+10
$900.00
KE-80B-10-60
6000
1
356
284
11
31
1.5
+10
Call
KE-80B-10-120
12000
1
356
284
11
31
1.5
+10
Call
KE-80B-20-60
6000
2
356
284
11
31
1.5
+10
Call
KE-80B-20-120
12000
2
356
284
11
31
1.5
+10
Call

| surface grinder | cylindrical grinder | rotary type surface grinder |
| centerless grinder | cutter & tool grinder/drill sharpener | pin cut-off machine |

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