Marzoli Ring Frame Spindle Bolster
For Marzoli ring-frame spindle positions.
Marzoli Spindle Bolster & Complete Spindle Options
Vindex Industries supplies the selected Marzoli spindle bolster and, when ordered, the complete aluminum plug / duralumin sleeve spindle assembly. Blade, plug, tube and wharve specifications below apply to the complete assembly; the bolster-only supply is defined separately in the quotation.
Technical Specifications & Parameters
| Parameter | Technical Specification |
|---|---|
| Spindle type | Aluminum plug / duralumin sleeve construction |
| Tube fitting | Spring-loaded inner grip or centrifugal button grippers, according to design |
| Tube lengths | 160 / 170 / 180 / 190 / 200 / 210 / 220 / 230 mm; custom configuration within 160-250 mm |
| Wharve diameter (Dw) | 18.5 / 19.0 / 20.2 / 22.0 mm; CNC precision turned |
| Ring diameters | 38 / 40 / 42 / 45 / 48 mm; custom profiles by drawing |
| Insert / bolster references | HF 100 / HF 1 / HF 21 / CS 1 / CS 21 / HZ 33 |
| Spindle blade | EN 31 / SAE 52100 / 100Cr6 grade references; specified surface-hardness target 58-62 HRC. Material standard and heat treatment per drawing |
| Standard plug material | HE30-T6 / AA 6082-T6 for series up to 22,000 rpm |
| Premium plug material | HE15 / AA 2014-T6 Duralumin for the 25,000+ rpm series |
| Operating speed | Standard: up to 22,000 rpm. Premium: 25,000+ rpm series with the specified HF 100 assembly; exact maximum rated speed confirmed per configuration |
| Vibration velocity | Customer specification target: <= 0.05 mm/s, under agreed measurement conditions |
| Dynamic balancing | Requested balance grades G 0.4 / G 1.0; test speed, rotor configuration and applicable ISO reference agreed for the assembly |
| Operational noise | Customer specification target: <= 75 dBA; operating speed, load, measurement distance and background noise to be defined |
| Supply scope | Blade, wharve, aluminum plug, bolster insert, mounting flange, nut and spindle lock, as ordered |
Machine Makes & Model References
Marzoli ring frames: the primary machine references for this page. Other brands describe separate configurations in the wider Vindex spindle range, not confirmed fitment of this Marzoli bolster.
| Machine Make / Type | Model References |
|---|---|
| Marzoli ring frames | Marzoli MDS1, Marzoli MDS2, Marzoli MDS7, Marzoli MDS9, Marzoli MP1, Marzoli Galileo |
Process types
- Cotton: carded, combed and compact ring spinning
- Man-made fibres: polyester, viscose, acrylic and suitable spun-nylon applications
- Blends: polyester/cotton, polyester/viscose and selected wool / worsted blends
Product description
Italian spinning machinery has a long memory in the world's yarn markets, and Marzoli ring frames — from the MDS line through the MP1 — still anchor production in mills across Europe, Turkey and beyond. Keeping those frames spinning economically means being able to source wear parts without waiting on long OEM lead times, and that is exactly the gap Vindex Industries fills. From our works in Surendranagar, Gujarat, we manufacture replacement spindle bolsters for Marzoli ring-frame positions, machined to the mounting and spindle dimensions of the frame they will serve. Marzoli installations span several generations of design, so we treat every enquiry individually: share your frame model and, ideally, a worn sample or measured drawing, and we confirm the correct bolster configuration before quoting. The result is a replacement that respects the original machine's geometry — correct seating, correct oil behaviour, steady running — supplied in the quantities a working mill needs, packed for export and shipped to 87 countries.
Application
Ring and compact spinning with the specified tube and drafting / winding configuration. Filament twisting requires its own machine-specific spindle selection.
Key Features & Metallurgy
- Bearing-steel blade with specified heat treatment
- HE30-T6 standard and HE15 / 2014-T6 premium plug options
- Hard-anodised finish where specified
- Dynamic balancing and controlled working dimensions
Advantages
- Lightweight top-part design to reduce rotating mass
- Small-wharve options for matching the tape drive and operating duty; energy savings require a comparative mill test
- Lubrication interval selected for the insert, lubricant and service conditions
- Multi-stage dimensional, hardness, runout and balancing checks as agreed in the inspection plan
Export markets
Vindex Industries manufactures this product in Surendranagar, Gujarat, and exports textile machinery spares to 87 countries — including Bangladesh, Vietnam, Turkey, Indonesia, Pakistan, Egypt, Uzbekistan, Brazil, Mexico and Thailand. Request an export quote.