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This page explains how Spindle Assembly is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A precision rotating assembly that transmits torque and rotational motion to cutting tools or workpieces in industrial machinery.
Technical details and manufacturing context for Spindle Assembly
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Spindle Taper | BT40 | Standard for tool holdingISO 7388 |
| Max Speed | 12000 rpm | Limited by bearing type and lubrication |
| Power | 7.5–15 kW | Continuous rating |
| Torque | 50–120 N·m | At rated speed |
| Runout (TIR) | ≤0.005 mm | At spindle noseISO 230-1 |
| Balancing Grade | G1.0 | For high-speed operationISO 1940-1 |
| Lubrication | Oil-air | Required for high speed |
| Coolant Through | Yes | Through-tool coolant |
| Max Coolant Pressure | 70 bar | For through-spindle coolant |
| Operating Temperature | 0–45 °C | Ambient |
| Noise Level | ≤75 dB(A) | At max speedISO 3744 |
| Weight | 80–150 kg | Depends on configuration |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
Commonly used trade names and technical identifiers for Spindle Assembly.
This component is essential for the following industrial systems and equipment:
| max rpm: | Up to 30,000 RPM |
| pressure: | 0 to 100 bar |
| axial load: | Up to 5 kN |
| radial load: | Up to 3 kN |
| temperature: | -20°C to 120°C |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
Manufacturer profiles associated with Spindle Assembly.
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A practical evidence checklist for RFQ preparation and supplier evaluation.
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The spindle taper is BT40, conforming to ISO 7388. This standard defines the dimensions and tolerances for tool holding, ensuring compatibility with standard toolholders.
The maximum speed is 12,000 rpm, and the continuous power rating is 7.5–15 kW. These values are reference ranges; actual performance depends on the specific configuration and must be confirmed with the manufacturer.
The spindle assembly uses oil-air lubrication, which is required for high-speed operation. This system provides precise lubrication and cooling to the bearings, reducing friction and heat generation.
Yes, the assembly supports through-tool coolant with a maximum coolant pressure of 70 bar. This feature helps in cooling the cutting zone and flushing chips during machining operations.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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