JY77-85G Pneumatic Self-Centering Vise (High Jaw)
Specifications
| Parameter | Value |
|---|---|
| Model | JY77‑85G |
| Type | Self‑centering vise, high jaw |
| Dimensions (L × W × H) | 102 × 77 × 65 mm (4.02″ × 3.03″ × 2.56″) |
| Clamping range (external / internal) | 0–38 mm / 46–85 mm (0–1.50″ / 1.81–3.35″) |
| Repeat clamping accuracy | ±0.015 mm (±0.0006″) |
| Max. torque | 70 Nm (51.6 ft‑lbs) |
| Weight | 2.4 kg (5.3 lbs) |
| Jaw type | Integral type hardened steel jaws (one‑piece) |
| Mounting option | Ø52 pull stud hole |
| Key dimensions | 102 mm (length), 87 mm (jaw width), 52 mm, 21 mm, 57×8×2 (slot), dowel pin holes (see drawing) |
Key Features
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Self‑centering design – automatically centers the workpiece for consistent positioning
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Dual clamping modes – supports both external clamping (0–38 mm) and internal clamping (46–85 mm)
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High jaw design – 65 mm overall height provides deeper workpiece engagement
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High repeatability – ±0.015 mm (0.0006″) for reliable production accuracy
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Integral hardened jaws – one‑piece jaw construction for maximum rigidity and durability
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Zero point ready – Ø52 pull stud hole for direct mounting on zero point pallet systems
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High torque capacity – 70 Nm clamping torque for secure workholding
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Compact and lightweight – 102×77 mm footprint and 2.4 kg weight save machine space
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Precision locating – dowel pin holes for accurate fixture registration
Application Scenarios
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CNC milling and drilling – ideal for small to medium prismatic parts requiring centered clamping
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Automated pallet systems – Ø52 pull stud enables quick change on zero point systems
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Round and square workpiece clamping – external and internal modes handle diverse part shapes
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High‑mix / low‑volume production – quick changeover between different part sizes
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4th/5th axis machining – compact size fits tight rotary table envelopes
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Tall workpiece clamping – high jaw design (65 mm) provides better grip on taller parts
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Precision machining – ±0.015 mm repeatability for consistent part quality
Why Choose JIYAN
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Self‑centering advantage – eliminates manual centering, reduces setup time
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Dual clamping flexibility – one vise handles both external and internal workpieces
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High jaw design – deeper jaw engagement for taller or irregular workpieces
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Integral jaw construction – one‑piece hardened jaws provide maximum rigidity
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Zero point ready – Ø52 pull stud hole allows direct mounting on zero point pallets
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Compact footprint – saves valuable machine table space
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Precision ground surfaces – verified for flatness and parallelism
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Dowel pin locating – ensures accurate and repeatable fixture positioning
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Hardened steel body – durable construction for high‑cycle production
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