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HSD ES950 Spindle Repair & Rebuild Services
Overview The HSD ES950 is a common production electrospindle used in wood, plastic, and composite machining environments where reliable automatic tool change performance is needed without stepping up into the highest-power ES951 configurations. In the HSD catalog, ES950 shares the same body size class as ES951 (Ø142 x 145 mm) but is offered in lower…
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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
Spindle Make: CMSModel: GR.6997-WCSerial Number: Co.039959-170Service Type: Full Rebuild + Stator Rewind + Mechanical Repair The Situation This CMS GR.6997-WC spindle was sent in for evaluation after performance issues were reported. Initial electrical testing immediately revealed a critical issue:The stator had failed and required rewinding. However, further disassembly uncovered an additional mechanical event that significantly…
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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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Case Study: Brevettato NDX13A/40 Spindle Rebuild After Severe Moisture & Oil Contamination
Spindle Make: BrevettatoModel: NDX13A/40 ISO 40Serial Number: 02529/19Condition at Arrival: Locked UpService Performed: Full Precision Rebuild + Pneumatic System Restoration This Brevettato NDX13A/40 spindle was received in a locked condition and unable to rotate. Initial inspection revealed significant contamination from the compressed air system combined with missing internal components in the rotary coolant coupling. The…
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Case Study: Omlat 06478200 Spindle Rebuild After Compressor Oil Contamination
How Air System Failure Nearly Caused Catastrophic Bearing Damage Spindle Model: Omlat 06478200Serial Number: 080997Service Performed: Full Precision RebuildRoot Cause: Compressor oil ingression This Omlat 06478200 spindle was sent in for initial inspection after performance concerns began developing in production. During disassembly, a severe contamination issue was discovered — compressor oil had entered the spindle…
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Cincinnati SMART Spindle Repair
(SMART VMC • SMART T • Motorized Cartridge Spindles) Cincinnati Milling Machine Company SMART series machining centers are widely used in production environments for milling, drilling, and precision machining. These machines commonly utilize motorized cartridge spindle assemblies, where the motor and spindle shaft are integrated into one precision-balanced unit. Atlanta Precision Spindles repairs the spindle…
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Cincinnati Motorized Spindle Repair
(Integrated Motor Spindles • CNC Mills • Grinders • Gantry Systems) Cincinnati Milling Machine Company and later Cincinnati Milacron / Cincinnati Machines produced motorized spindle systems for CNC machining centers, grinders, and specialty platforms. Unlike belt-driven assemblies, motorized spindles integrate the motor and spindle shaft into one cartridge-style unit. These systems require precise preload control,…
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Cincinnati Belt-Driven Spindle Repair
(Milling Machines • Tool & Cutter Grinders • Universal & Surface Grinders) Cincinnati Milling Machine Company (later Cincinnati Milacron / Cincinnati Machines) produced generations of belt-driven spindle systems used in mills, grinders, and specialty machine tools. Unlike modern direct-drive electrospindles, these systems transmit power through belts and pulleys, making alignment, tension, and bearing condition critical…
For Spindle Repair Call: (678) 225-7855
