• Samchully Jaw Boring Open-Center Hydraulic Chuck JBM/JBH
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Samchully Jaw Boring Open-Center Hydraulic Chuck JBM/JBH

Samchully Jaw Boring Open-Center Hydraulic Chuck JBM/JBH

Open-center hydraulic power chuck with a built-in JB-Core that lets soft jaws be bored in place in 0.1 mm steps, reducing set-up time.

Key features

  • Reduced set-up time for boring soft jaws
  • Soft jaws bored in 0.1 mm steps
  • Minimizes soft jaw wear
  • Fully compatible with standard power chucks
  • Self-forming stroke 0.5-2 mm (use pressure under 20 bar)

Specifications

Self-Forming Stroke (mm) 0.5 ~ 2
JBM-306 Through Hole Dia. (mm): 52 | Grip Dia. Max (mm): 175 | Grip Dia. Min (mm): 16.5 | Jaw Stroke Dia. (mm): 6.4 | Plunger Stroke (mm): 14 | Max. Permissible Input Force (kN (kgf)): 24.7(2551) | Max. Static Gripping Force (kN (kgf)): 57.3(5842) | Max. Speed (rpm): 6000 | Weight (kg): 11.9 | Operating Cylinder: SD-15452 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 1.64(16.7) | Operating Hard Jaw: HB06A1
JBM-308 Through Hole Dia. (mm): 66 | Grip Dia. Max (mm): 210 | Grip Dia. Min (mm): 23 | Jaw Stroke Dia. (mm): 7.4 | Plunger Stroke (mm): 16 | Max. Permissible Input Force (kN (kgf)): 36.4(3712) | Max. Static Gripping Force (kN (kgf)): 87(8872) | Max. Speed (rpm): 5000 | Weight (kg): 23 | Operating Cylinder: SD-17568 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.34(23.9) | Operating Hard Jaw: HB08A1
JBM-310 Through Hole Dia. (mm): 82 | Grip Dia. Max (mm): 254 | Grip Dia. Min (mm): 30 | Jaw Stroke Dia. (mm): 8.8 | Plunger Stroke (mm): 19 | Max. Permissible Input Force (kN (kgf)): 49(4976) | Max. Static Gripping Force (kN (kgf)): 126.6(12910) | Max. Speed (rpm): 4500 | Weight (kg): 32 | Operating Cylinder: SD-18582 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.74(28) | Operating Hard Jaw: HB10A1
JBM-312 Through Hole Dia. (mm): 103 | Grip Dia. Max (mm): 315 | Grip Dia. Min (mm): 54 | Jaw Stroke Dia. (mm): 10.6 | Plunger Stroke (mm): 23 | Max. Permissible Input Force (kN (kgf)): 55(5608) | Max. Static Gripping Force (kN (kgf)): 144(14686) | Max. Speed (rpm): 3000 | Weight (kg): 55.3 | Operating Cylinder: SD-21510 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.65(27.2) | Operating Hard Jaw: HB12A1
JBH-306 Through Hole Dia. (mm): 46 | Grip Dia. Max (mm): 169 | Grip Dia. Min (mm): 15 | Jaw Stroke Dia. (mm): 5.5 | Plunger Stroke (mm): 12 | Max. Permissible Input Force (kN (kgf)): 22(2243) | Max. Static Gripping Force (kN (kgf)): 57(5812) | Max. Speed (rpm): 6000 | Weight (kg): 11.9 | Operating Cylinder: SD-13546 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.3(23.4) | Operating Hard Jaw: HB06A1
JBH-308 Through Hole Dia. (mm): 52 | Grip Dia. Max (mm): 210 | Grip Dia. Min (mm): 13 | Jaw Stroke Dia. (mm): 7.4 | Plunger Stroke (mm): 16 | Max. Permissible Input Force (kN (kgf)): 34.8(3549) | Max. Static Gripping Force (kN (kgf)): 86(8769) | Max. Speed (rpm): 5000 | Weight (kg): 22.3 | Operating Cylinder: SD-15452 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.65(27.0) | Operating Hard Jaw: HB08A1
JBH-310 Through Hole Dia. (mm): 77 | Grip Dia. Max (mm): 254 | Grip Dia. Min (mm): 31 | Jaw Stroke Dia. (mm): 8.8 | Plunger Stroke (mm): 19 | Max. Permissible Input Force (kN (kgf)): 43(4385) | Max. Static Gripping Force (kN (kgf)): 111(11319) | Max. Speed (rpm): 4200 | Weight (kg): 34.5 | Operating Cylinder: SD-18577 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.70(27.5) | Operating Hard Jaw: HB10A1
JBH-312 Through Hole Dia. (mm): 91 | Grip Dia. Max (mm): 304 | Grip Dia. Min (mm): 34 | Jaw Stroke Dia. (mm): 10.6 | Plunger Stroke (mm): 23 | Max. Permissible Input Force (kN (kgf)): 55(5608) | Max. Static Gripping Force (kN (kgf)): 144(14686) | Max. Speed (rpm): 3300 | Weight (kg): 55.3 | Operating Cylinder: SD-20591 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.70(27.5) | Operating Hard Jaw: HB12A1
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8 product codes available in this family
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Samchully Jaw Boring Open-Center Hydraulic Chuck JBM/JBH

Brand Samchully·Power Chucks

Available part numbers (8)

JBM-306, JBM-308, JBM-310, JBM-312, JBH-306, JBH-308, JBH-310, JBH-312

How to order

Send the Samchully part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
JBM-306Through Hole Dia. (mm): 52 | Grip Dia. Max (mm): 175 | Grip Dia. Min (mm): 16.5 | Jaw Stroke Dia. (mm): 6.4 | Plunger Stroke (mm): 14 | Max. Permissible Input Force (kN (kgf)): 24.7(2551) | Max. Static Gripping Force (kN (kgf)): 57.3(5842) | Max. Speed (rpm): 6000 | Weight (kg): 11.9 | Operating Cylinder: SD-15452 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 1.64(16.7) | Operating Hard Jaw: HB06A1
JBM-308Through Hole Dia. (mm): 66 | Grip Dia. Max (mm): 210 | Grip Dia. Min (mm): 23 | Jaw Stroke Dia. (mm): 7.4 | Plunger Stroke (mm): 16 | Max. Permissible Input Force (kN (kgf)): 36.4(3712) | Max. Static Gripping Force (kN (kgf)): 87(8872) | Max. Speed (rpm): 5000 | Weight (kg): 23 | Operating Cylinder: SD-17568 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.34(23.9) | Operating Hard Jaw: HB08A1
JBM-310Through Hole Dia. (mm): 82 | Grip Dia. Max (mm): 254 | Grip Dia. Min (mm): 30 | Jaw Stroke Dia. (mm): 8.8 | Plunger Stroke (mm): 19 | Max. Permissible Input Force (kN (kgf)): 49(4976) | Max. Static Gripping Force (kN (kgf)): 126.6(12910) | Max. Speed (rpm): 4500 | Weight (kg): 32 | Operating Cylinder: SD-18582 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.74(28) | Operating Hard Jaw: HB10A1
JBM-312Through Hole Dia. (mm): 103 | Grip Dia. Max (mm): 315 | Grip Dia. Min (mm): 54 | Jaw Stroke Dia. (mm): 10.6 | Plunger Stroke (mm): 23 | Max. Permissible Input Force (kN (kgf)): 55(5608) | Max. Static Gripping Force (kN (kgf)): 144(14686) | Max. Speed (rpm): 3000 | Weight (kg): 55.3 | Operating Cylinder: SD-21510 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.65(27.2) | Operating Hard Jaw: HB12A1
JBH-306Through Hole Dia. (mm): 46 | Grip Dia. Max (mm): 169 | Grip Dia. Min (mm): 15 | Jaw Stroke Dia. (mm): 5.5 | Plunger Stroke (mm): 12 | Max. Permissible Input Force (kN (kgf)): 22(2243) | Max. Static Gripping Force (kN (kgf)): 57(5812) | Max. Speed (rpm): 6000 | Weight (kg): 11.9 | Operating Cylinder: SD-13546 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.3(23.4) | Operating Hard Jaw: HB06A1
JBH-308Through Hole Dia. (mm): 52 | Grip Dia. Max (mm): 210 | Grip Dia. Min (mm): 13 | Jaw Stroke Dia. (mm): 7.4 | Plunger Stroke (mm): 16 | Max. Permissible Input Force (kN (kgf)): 34.8(3549) | Max. Static Gripping Force (kN (kgf)): 86(8769) | Max. Speed (rpm): 5000 | Weight (kg): 22.3 | Operating Cylinder: SD-15452 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.65(27.0) | Operating Hard Jaw: HB08A1
JBH-310Through Hole Dia. (mm): 77 | Grip Dia. Max (mm): 254 | Grip Dia. Min (mm): 31 | Jaw Stroke Dia. (mm): 8.8 | Plunger Stroke (mm): 19 | Max. Permissible Input Force (kN (kgf)): 43(4385) | Max. Static Gripping Force (kN (kgf)): 111(11319) | Max. Speed (rpm): 4200 | Weight (kg): 34.5 | Operating Cylinder: SD-18577 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.70(27.5) | Operating Hard Jaw: HB10A1
JBH-312Through Hole Dia. (mm): 91 | Grip Dia. Max (mm): 304 | Grip Dia. Min (mm): 34 | Jaw Stroke Dia. (mm): 10.6 | Plunger Stroke (mm): 23 | Max. Permissible Input Force (kN (kgf)): 55(5608) | Max. Static Gripping Force (kN (kgf)): 144(14686) | Max. Speed (rpm): 3300 | Weight (kg): 55.3 | Operating Cylinder: SD-20591 | Max. Hydraulic Pressure (MPa (kgf/cm²)): 2.70(27.5) | Operating Hard Jaw: HB12A1

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