HSD ES920 Spindle Repair

← Back to HSD ES Series Spindle Repair HSD ES920 Rebuild Services — ISO20 Compact ATC Spindle The HSD ES920 is the smallest spindle in the HSD ES production line — an 82 x 92.5 mm fan-cooled electrospindle with ISO20 taper and automatic tool change capability, rated at 1.1 kW continuous and 1.38 kW S6.…

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HSD ES367 Spindle Repair

← Back to HSD ES Series Spindle Repair HSD ES367 Rebuild Services — High-Torque Synchronous 132mm Spindle The HSD ES367 is a liquid-cooled synchronous electrospindle in the 132 x 132 mm frame class. It shares its body dimensions with the ES368 but operates on a fundamentally different motor architecture — synchronous rather than asynchronous —…

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HSD ES368 Spindle Repair

HSD ES Series · 132mm Liquid-Cooled HSD ES368 Spindle Repair The ES368 is a 132 × 132 mm liquid-cooled electrospindle available in 20,000, 24,000, and 36,000 RPM configurations. That speed range matters — the 20k and 24k versions are capable production spindles; the 36k version operates under a fundamentally different set of constraints and demands…

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HSD ES779 Spindle Repair

HSD ES Series · 150mm Liquid-Cooled HSD ES779 Rebuild Services — 150mm High-Torque Production Spindle The ES779 is a liquid-cooled electrospindle in the 150 × 150 mm frame class, available in configurations from 10 kW up to 22 kW with a 24,000 RPM ceiling. It is frequently paired with aggregates, C-axis units, and 2-axis heads…

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HSD ES789 Spindle Repair

← Back to HSD ES Series Spindle Repair HSD ES789 Spindle Repair & Rebuild Services The HSD ES789 is a high-output electrospindle commonly used in demanding composite and wood machining environments where high torque and high S6 power are required. In the catalog, ES789 is positioned as a larger-frame unit (150 x 150 mm body…

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HSD ES950 Spindle Repair & Rebuild Services

HSD ES Series · ISO 30 / HSK F63 Electrospindle · HSD Spindle Repair HSD ES950 Spindle Repair & Rebuild Services The HSD ES950 is a workhorse production electrospindle deployed in wood, plastic, and composite machining environments where reliable automatic tool change performance is required. Available in multiple power tiers with ISO 30 and HSK…

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HSD ES951 Spindle Repair

HSD ES951 Spindle Repair & Rebuild Services Overview The HSD ES951 is one of the most widely deployed high-power electrospindles in composite, wood, aluminum, and plastic machining environments. It is available in multiple power configurations ranging from 8 kW up to 30 kW (S6), with maximum speeds of 24,000 RPM or 36,000 RPM depending on…

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Case Study: Perske KRSR35-7-2-SM HSK25R Spindle Rebuild After Catastrophic Rear Bearing Failure

Spindle Make: PerskeModel: KRSR35-7-2-SMTool Interface: HSK25RSerial Number: 01414118Condition at Arrival: Locked Up The Situation This Perske KRSR35-7-2-SM HSK25R spindle was brought in completely locked up. The unit could not rotate and required immediate disassembly to determine the cause of failure. Full teardown confirmed catastrophic rear bearing failure as the root issue. Failure Analysis 🔹 Catastrophic…

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Case Study: CMS GR.6997-WC Spindle Rebuild After Stator Failure & Drawbar Engagement Incident

Executive Summary An industrial CMS GR.6997-WC spindle was pulled from production and sent to our facility following sudden performance degradation. While initial diagnostics pointed directly to a dead stator, a comprehensive teardown revealed a secondary, high-impact mechanical event: the drawbar had been engaged while the spindle was still spinning. By combining advanced electrical restoration with…

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Case Study: HSD ES988A Drawbar Actuator Rebuild Under Time Constraints

Spindle Make: HSDModel: ES988ASerial Number: 2007000871Condition: Drawbar Actuator FailureService Type: Emergency Actuator RebuildDelivery: Hand delivered The Situation This HSD ES988A spindle was hand-delivered for urgent repair. The primary issue involved the drawbar actuator (unclamp cylinder), which was malfunctioning due to cracked and broken internal seals. The original plan was to replace the actuator assembly with…

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