Magnetic Table Fine Pitch Electromagnetic Chuck Specifications:
Model: MP-EMA Series
Work holding device for surface grinding machines.
COLD DEVICE as it doesn’t require power continuously except for short period of activation & deactivation.
Parallelism & flatness is 0.010mm / 300mm.
Suitable for thin & small jobs.
Economical for operation & maintenance.
Uniform clamping force all over surface.
Negligible power consumption.
No accidents due to power failure.
Slippering force is 2.5 Kg / cm².
Vertical Lifting Force is 35 – 40 Kg / cm².
Variable supply unit to vary power which helps in alignment & removing of warpages of thin jobs.
Chuck is tested for Slippering force, Waterproof test,
Electrical & Demagnetizing tests.
Standard electrical accessories.
We also manufacture Special chucks to suit individual requirement.
Use:
For versatile clamping on a broad range of workpiece sizes
Features:
Pole pitch 5+0.5+5+0.5+5+3 mm
Highest uniform clamping force up to 140 N/cm²
Less than 5°C chuck temperature rise after 1 hour working
Mono-block housing for maximum stability
Low current with minimum power consumption
Low profile for more wheel head clearance
Versatile clamping, excellent holding on a broad range of
workpiece size
A fine-pitch electromagnetic chuck is a precision work-holding device designed to clamp thin, small, and delicate workpieces during surface grinding and light machining.
Key Characteristics & Specifications
• Fine Pole Design: Features very small gaps between magnetic poles (typically ranging from 1.5 mm to 6.5 mm), creating a shallow magnetic field depth. This prevents the magnetic flux from leaking deeply into cutting tools or distorting thin parts.
• Uniform Clamping Force: Distributes magnetic holding evenly across the top plate, reducing warpage compared to mechanical jaws.
• Jawless Accessibility: Leaves five sides of the workpiece completely unobstructed for free machining access.
• Electrical Control: Operates via a direct current (DC) supply—commonly 110V DC—controlled through a rectifier or variable unit that allows precision demagnetization and residual magnetism neutralization.
• Coolant & Water Resistance: Built with sealed or soldered top plates to withstand grinding fluids and lubricants.
Common Applications
• Surface Grinding: Holding thin steel sheets, shims, plates, and small components that would bow or slip under standard coarse-pitch chucks.
• Light Milling & EDM: Used where low magnetic penetration and high surface accuracy (such as 0.010 mm/300 mm parallelism and flatness) are required.
If you have a specific application in mind, let me know:
• What type of machine you are mounting it on (surface grinder, miller, etc.)
• The size and thickness of the workpieces you plan to hold
Fine pitch electro magnetic chuck is a type of magnetic workholding device. Can be used for surface grinder machine, tool grinding machine and electromachine etc. Able to suck magnetic conductivity materials, the suction force is well-distributed and with high processing accuracy. It’s suitable for processing small workpieces.
Quality Standards:ISO9001-2000 quality management system 20 x 2mm Neodymium Iron Boron Disc Magnets N52 Nickel
Fine pitch electro magnetic chuck Electro Permanent Magnetic Chuck
electromagnetic chuck
| EMA-3060 | 300 (11.82) | 600 (23.62_ | 294 (11.57) | 80 (3.15) | 554 (21.81) | 27 (1.06) | DC 110 V | 0.78 A | 107 kg / 236 lb |
| EMA-3080 | 300 (11.82) | 800 (31.50) | 294 (11.57) | 80 (3.15) | 744 (29.29) | 27 (1.06) | DC 110 V | 1. A | 143 kg / 315 lb |
| EMA-30100 | 300 (11.82) | 1000 (39.37) | 294 (11.57) | 80 (3.15) | 934 (36.77) | 27 (1.06) | DC 110 V | 1.2 A | 179 kg / 394 lb |
| EMA-30120 | 300 (11.82) | 1200 (47.24) | 294 (11.57) | 80 (3.15) | 1124 (44.25) | 27 (1.06) | DC 110 V | 1.6 A | 215 kg / 473 lb |
| EMA-30150 | 300 (11.82) | 1500 (59.06) | 294 (11.57) | 80 (3.15) | 1428 (56.22) | 27 (1.06) | DC 110 V | 2.1 A | 268 kg / 591 lb |
| EMA-4060 | 400 (15.75) | 600 (23.62) | 394 (15.51) | 80 (3.15) | 554 (21.81) | 27 (1.06) | DC 110 V | 1.2 A | 143 kg / 315 lb |
| EMA-4080 | 400 (15.75) | 800 (31.50) | 394 (15.51) | 80 (3.15) | 744 (29.29) | 27 (1.06) | DC 110 V | 1.4 A | 191 kg / 420 lb |
| EMA-40100 | 400 (15.75) | 1000 (39.37) | 394 (15.51) | 80 (3.15) | 934 (36.77) | 27 (1.06) | DC 110 V | 1.9 A | 239 kg / 525 lb |
| EMA-40120 | 400 (15.75) | 1200 (47.24) | 394 (15.51) | 80 (3.15) | 1124 (44.25) | 27 (1.06) | DC 110 V | 2.2 A | 286 kg / 630 lb |
| EMA-40150 | 400 (15.75) | 1500 (59.06) | 394 (15.51) | 80 (3.15) | 1428 (56.22) | 27 (1.06) | DC 110 V | 2.5 A | 358 kg / 788 lb |
| EMA-40200 | 400 (15.75) | 1000 (39.37)*2 | 394 (15.51) | 80 (3.15) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 1.9 A*2 | 477 kg / 1050 lb |
| EMA-5060 | 500 (19.69) | 600 (23.62) | 494 (19.45) | 80 (3.15) | 554 (21.81) | 27 (1.06) | DC 110 V | 1.2 A | 179 kg / 394 lb |
| EMA-5080 | 500 (19.69) | 800 (31.50) | 494 (19.45) | 80 (3.15) | 744 (29.29) | 27 (1.06) | DC 110 V | 1.5 A | 239 kg / 525 lb |
| EMA-50100 | 500 (19.69) | 1000 (39.37) | 494 (19.45) | 80 (3.15) | 934 (36.77) | 27 (1.06) | DC 110 V | 1.7 A | 298 kg / 656 lb |
| EMA-50120 | 500 (19.69) | 1200 (47.24) | 494 (19.45) | 80 (3.15) | 1124 (44.25) | 27 (1.06) | DC 110 V | 1.9 A | 358 kg / 788 lb |
| EMA-50150 | 500 (19.69) | 1500 (59.06) | 494 (19.45) | 80 (3.15) | 1428 (56.22) | 27 (1.06) | DC 110 V | 2.6 A | 447 kg / 984 lb |
| EMA-50200 | 500 (19.69) | 1000 (39.37)*2 | 494 (19.45) | 80 (3.15) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 1.7 A*2 | 597 kg / 1313 lb |
| EMA-6080 | 600 (23.62) | 800 (31.50) | 594 (23.39) | 85 (3.35) | 744 (29.29) | 27 (1.06) | DC 110 V | 1.5 A | 304 kg / 669 lb |
| EMA-60100 | 600 (23.62) | 1000 (39.37) | 594 (23.39) | 85 (3.35) | 934 (36.77) | 27 (1.06) | DC 110 V | 2.2 A | 336 kg / 738 lb |
| EMA-60120 | 600 (23.62) | 1200 (47.24) | 594 (23.39) | 85 (3.35) | 1124 (44.25) | 27 (1.06) | DC 110 V | 2.4 A | 456 kg / 1004 lb |
| EMA-60150 | 600 (23.62) | 1500 (59.06) | 594 (23.39) | 85 (3.35) | 1428 (56.22) | 27 (1.06) | DC 110 V | 2.4 A | 570 kg / 1255 lb |
| EMA-60200 | 600 (23.62) | 1000 (39.37)*2 | 594 (23.39) | 85 (3.35) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 2.2 A*2 | 761 kg / 1673 lb |
| EMA-70150 | 700 (27.56) | 1500 (59.06) | 694 (27.32) | 85 (3.35) | 1428 (56.22) | 27 (1.06) | DC 110 V | 2.4 A | 666 kg / 1464 lb |
| EMA-80200 | 800 (31.50) | 1000 (39.37)*2 | 794 (31.25) | 85 (3.35) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 2.9 A*2 | 1014 kg / 2231 lb |
| EMA-100150 | 1000 (39.37) | 1500 (59.06) | 994 (39.13) | 85 (3.35) | 1428 (56.22) | 27 (1.06) | DC 110 V | 5 A*2 | 951 kg / 2092 lb |
| EMA-100200 | 1000 (39.37) | 1000 (39.37)*2 | 994 (39.13) | 85 (3.35) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 3.3 A*2 | 1268 kg / 2789 lb |
| EMA-120200 | 1200 (47.24) | 1000 (39.37)*2 | 1194 (47.01) | 85 (3.35) | 934 (36.22)*2 | 27 (1.06) | DC 110 V | 4 A*2 | 1521 kg / 3347 lb |
| EMA-120300 | 1200 (47.24) | 1000 (39.37)*3 | 1194 (47.01) | 85 (3.35) | 934 (36.22)*3 | 27 (1.06) | DC 110 V | 4 A*3 | 2282 kg / 5020 lb |
| EMA-150300 | 1500 (59.06) | 1000 (39.37)*3 | 1494 (52.82) | 85 (3.35) | 934 (36.22)*3 | 27 (1.06) | DC 110 V | 6.5 A*3 | 2852 kg / 6275 lb |
| EMA-150500 | 1500 (59.06) | 1000 (39.37)*5 | 1492 (52.82) | 85 (3.35) | 934 (36.22)*5 | 27 (1.06) | DC 110 V | 6.5 A*5 | 4754 kg / 10459 lb |
Unit: mm(in)
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