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Spindle Bolster
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Product Description
For Ring Spinning, Twisting & Compact Spinning Frames
Spindle bolsters (also called spindle boosters or bearing units) are precision-engineered components that securely mount spinning or twisting spindles into ring frame machines. They ensure:
- High-speed, vibration-free rotation
- Long spindle life
- Stable yarn drafting and quality
HZ Series Insert with Bolster (Standard & Heavy-Duty)
These are standard mechanical bearing units with steel inserts and bolsters used in ring spinning and twisting machines for various yarn types. They support a wide RPM range and are available in multiple sizes.
| Model | Code | Length (mm) | ID (mm) | OD (mm) | Thread (Mount) | Weight (kg) | Application |
| HZ 33-0019 | 8711 | 146.0 | 21.7 | 8.8 | M25 1.5 | 0.313 | Ring spinning light duty |
| HZ 35-0018 | 2991 | 163.5 | 21.7 | 8.8 | M25 1.5 | 0.342 | Ring spinning general purpose |
| HZ 55-0952 | 204 | 188.0 | 28.2 | 12.0 | M32 1.5 | 0.734 | Twisting & ring spinning |
| HZ 66-0014 | 227 | 229.0 | 32.5 | 14.0 | M35 1.5 | 0.927 | Twisting / worsted spinning |
| HZ 68-0017 | 830 | 229.0 | 32.5 | 14.0 | M35 1.5 | 0.930 | Same as HZ 66 alternate build |
| HZ 77-0952 | 381 | 273.0 | 37.8 | 16.0 | M40 1.5 | 1.750 | High-speed & heavy-duty twisting |
Used in: Cotton mills, woolen spinning, synthetic yarns, worsted yarn mills
HF Series High-Speed Mechanical Boosters (For Compact & Auto-Doff Systems)
The HF Series is designed for ultra-high-speed spinning frames, especially those using compact technology, auto doffers, or direct-drive spindles.
| Model | Max Speed (RPM) | Length (mm) | Thread (Mount) | Top OD (mm) | Bottom OD (mm) | Weight (kg) | Application |
| HF 100 | Up to 25,000 | 229.0 | M35 1.5 | 28.0 | 38.0 | ~0.95 | Ultra-high-speed & compact frames |
| HF 1 | Up to 22,000 | 188.0 | M32 1.5 | 28.0 | 36.0 | ~0.73 | High-speed ring frames (LMW, Rieter) |
| HF 21 | Up to 20,000 | 163.5 | M25 1.5 | 21.7 | 30.0 | ~0.34 | Mid-speed twisting / standard ring |
| HF 21C | Up to 18,000 | 146.0 | M25 1.5 | 21.7 | 28.0 | ~0.31 | Compact spinning (lower speed) |
All HF units are:
- Dynamically balanced
- Sealed and greased for life
- Anti-vibration mounted
- Built for low noise, smooth rotation, and high-speed performance
HZ vs HF Series Feature Comparison
| Feature | HZ Series | HF Series |
| Application Type | General spinning & twisting | High-speed & compact spinning |
| Max RPM | Up to ~20,000 | Up to 25,000 (HF 100) |
| Construction | Standard steel insert + bolster | One-piece precision-built unit |
| Balancing | Optional | Dynamically balanced |
| Lubrication | Manual or automatic (grease/oil) | Greased for life |
| Maintenance | Requires periodic attention | Maintenance-free |
Recommended Use by Machine
| Machine | Recommended Spindle Booster |
| LMW LF4200A (Auto Doffer) | HF 1 or HF 100 |
| Rieter G37 / G38 | HF 21 or HF 1 |
| Zinser 72XL / 451 | HF 21C or HZ 66 / HZ 68 |
| Marzoli FT5E | HZ 66 or HF 21C |
| Toyoda / KKTM | HZ 33 / HZ 35 |
Summary
With a full range of HZ and HF series spindle boosters, manufacturers can support:
- Ring spinning (standard and compact)
- Twisting (light to heavy yarn)
- High-speed auto-doffing systems
- Worsted / synthetic applications
Speed Range Covered: 18,000 to 25,000 RPM
Downtime Reduced, Yarn Quality Improved, Maintenance Simplified
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VINDEX INDUSTRIES
GST : 24BKJPR1270H2Z4
- Plot No.26, Survey No.290, Zalavad Industrial Park, SH 17, Zamar, Lakhtar,Surendranagar - 363002, Gujarat, India
- Phone :91--8980505555
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