Micro Pitch Longitudinal Poles Electro-permanent Magnetic Clamping Specifications:
Model: MP-EPM Series
Use: Clamping of longitudinal placed thin plate shaped workpieces
Features:
EPM with pole pitch 1+3 mm
Highest uniform clamping force up to 120 N/cm²
Electro-permanent magnetic technology with no deformation owing to the rise of temperature
Top plate with micropitch longitudinal lamination
Full surface magnetic power
Minimum mechanical deformation with solid one-piece housing
A longitudinal pole electromagnetic chuck is a workholding device that uses long, narrow magnetic steel and nonmagnetic stainless steel strips running lengthwise (end-to-end) across the surface to clamp ferrous workpieces.
Key Features & Design
• Pole Arrangement: Magnetic and nonmagnetic strips run parallel along the length of the chuck (furnace-brazed into a solid, water-tight unit). Micro Pitch Multicoil Longitudinal Electromagnetic Chuck
• Workpiece Placement: To close the magnetic circuit and create a secure hold, workpieces must cross multiple pole strips perpendicular to their length.
• Pole Spacing Options:
• Fine-Pole / Fine-Pitch: Ideal for holding thin, small, or delicate parts.
• Wide-Pole / Standard-Pole: Best for heavy stock removal, long bars, shafts, rails, and narrow sheet workpieces.
Common Applications
• Surface Grinding: High-precision grinding of long profiles.
• EDM (Electrical Discharge Machining): Stable fixturing for long shafts, bars, and structural rails.
• Milling / Polishing: Used with custom T-slots or pole profiles for specialized machining. Heavy Duty Multi Coil Electromagnetic Chuck with Longitudinal Pole
Operational Best Practices
• Surface Prep: Clean both the chuck face and the workpiece contact face thoroughly before loading.
• Orientation: Position the part so it bridges across the longitudinal pole strips.
• Demagnetization: Always run a full D.C. demagnetization cycle before attempting to remove the finished workpiece.
If you are selecting a chuck for a specific project, tell me:
• What size and type of workpieces you are machining
• The operation (surface grinding, milling, or EDM) Micropitch Longitudinal Fine Pole Surface Grinding Electromagnetic Chuck
| EPM-1530 | 150 (5.91) | 300 (11.81) | 148 (5.83) | 330 (12.99) | 75 (2.95) | 117 (4.61) | 20 (0.79) | CGA | CGA | 23 kg / 51 lb |
| EPM-1535 | 150 (5.91) | 350 (13.78) | 148 (5.83) | 380 (14.96) | 75 (2.95) | 117 (4.61) | 20 (0.79) | CGA | CGA | 27 kg / 59 lb |
| EPM-1540 | 150 (5.91) | 400 (15.75) | 148 (5.83) | 430 (16.93) | 75 (2.95) | 117 (4.61) | 20 (0.79) | CGA | CGA | 31 kg / 68 lb |
| EPM-1545 | 150 (5.91) | 450 (17.72) | 148 (5.83) | 480 (18.90) | 75 (2.95) | 117 (4.61) | 20 (0.79) | CGA | CGA | 34 kg / 75 lb |
| EPM-2040 | 200 (7.87) | 400 (15.75) | 198 (7.80) | 430 (16.93) | 75 (2.95) | 165 (6.50) | 20 (0.79) | CGA | CGA | 41 kg / 90 lb |
| EPM-2045 | 200 (7.87) | 450 (17.72) | 198 (7.80) | 480 (18.90) | 75 (2.95) | 165 (6.50) | 20 (0.79) | CGA | CGA | 46 kg / 101 lb |
| EPM-2050 | 200 (7.87) | 500 (19.69) | 198 (7.80) | 530 (20.87) | 75 (2.95) | 165 (6.50) | 20 (0.79) | CGA | CGA | 51 kg / 112 lb |
| EPM-2550 | 250 (9.84) | 500 (19.69) | 248 (9.76) | 530 (20.87) | 75 (2.95) | 214 (8.43) | 20 (0.79) | CGA | CGA | 64 kg / 141 lb |
| EPM-3060 | 300 (11.81) | 600 (23.62) | 298 (11.73) | 630 (24.80) | 75 (2.95) | 260 (10.24) | 20 (0.79) | CGA | CGA | 94 kg / 207 lb |
| EPM-4080 | 400 (15.75) | 800 (31.50) | 398 (15.67) | 830 (32.68) | 75 (2.95) | 354 (13.94) | 20 (0.79) | CGA | CGA | 171 kg / 376 lb |
Unit: mm(in)
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