Posts by Atlanta Precision Spindles
CHEVALIER FSG Series Surface Grinder Spindle Repair
(FSG-3A • FSG-AD • FSG-H Series Models) Chevalier Machinery Inc. FSG Series surface grinders are widely used in toolrooms, mold & die shops, and precision production environments. These machines rely on stable spindle systems to maintain flatness, surface finish quality, and dimensional consistency. Atlanta Precision Spindles rebuilds the spindle assembly only, restoring bearing preload stability,…
Read MoreCHEVALIER Surface Grinder Spindle Repair
(FSG • SMART-B • Precision Surface Grinding Platforms) Chevalier Machinery Inc. surface grinders are trusted in toolrooms and production environments for flatness control, finish quality, and dimensional consistency. At the heart of these machines is a precision spindle system that must maintain stable preload, controlled temperature rise, and minimal vibration. Atlanta Precision Spindles rebuilds the…
Read MoreCHEVALIER Grinder Spindle Repair
(Surface • Cylindrical • OD / ID • Tool & Cutter Grinding) Chevalier Machinery Inc. grinding machines are widely used in toolrooms, mold & die shops, and precision production environments. These platforms depend on highly stable spindle systems where thermal growth, bearing preload, and contamination control directly affect finish quality and dimensional accuracy. Grinding spindles…
Read MoreCHEVALIER VMC Spindle Repair
(CAT40 • BT40 • High-Speed Vertical Machining Centers) Chevalier Machinery Inc. Vertical Machining Centers are widely used in toolrooms, mold & die shops, and production environments. These machines typically utilize high-speed cartridge spindle assemblies with super-precision angular contact bearing systems. VMC spindles fail differently than grinding spindles — the failure signatures here tend to be…
Read MoreGiordano Colombo Multispindle Units
What Is a Colombo Multispindle Unit? A Colombo multispindle unit is a multi-output assembly — typically a single head or housing containing multiple spindle shafts arranged to perform repetitive drilling, boring, or routing operations simultaneously. Each output shaft carries its own bearings and tooling interface. The shafts share a common housing structure, and depending on…
Read MoreGiordano Colombo Manual Electrospindles
(Fixed-Tool High-Speed Spindles for CNC & Specialty Applications) Giordano Colombo manual electrospindles are high-speed, fixed-tool spindle units commonly used in CNC routers, edge-processing machines, specialty machining centers, and aggregate heads. Unlike automatic tool-change (ATC) electrospindles, manual versions use collet-based tool holding (typically ER collet systems) and are designed for dedicated tooling setups. These spindles are…
Read MoreGiordano Colombo Automatic Electrospindles
What Is a Colombo Automatic Electrospindle? A Colombo automatic electrospindle is a self-contained machining unit that integrates the motor, spindle shaft, super-precision angular-contact bearing system, automatic tool-change mechanism, cooling system, and sensor hardware into a single assembly. Tool changes happen without manual intervention — a spring-loaded drawbar driven by pneumatic or hydraulic actuation clamps and…
Read MoreBT40 SKF Spindle Repair
(High-Speed Vertical Machining Centers • 10,000–20,000+ RPM) BT40 spindles are common in high-speed vertical machining centers where balanced toolholders, consistent taper contact, and stable thermal behavior are critical. Many BT40 cartridges use SKF super-precision bearing systems, typically from the 70xx or 719xx (often hybrid ceramic) series. Atlanta Precision Spindles rebuilds the spindle assembly only, restoring…
Read MoreCAT40 SKF Spindle Repair
(Vertical Machining Centers • 8,000–15,000+ RPM) Many CAT40 Vertical Machining Centers use SKF super-precision angular contact bearing systems inside integrated spindle cartridges. Whether configured with 70xx steel bearings for rigidity or 719xx hybrid ceramic bearings for higher RPM, these spindles rely on precise preload, clean lubrication, and accurate balance. Atlanta Precision Spindles rebuilds the spindle…
Read MoreSKF VMC Spindles
High-Speed Cartridge Systems for CAT40 • BT40 • ISO30 Machining Centers Many Vertical Machining Centers (VMCs) use SKF super-precision bearing systems inside integrated spindle cartridges. Whether configured with 719xx hybrid ceramic bearings for higher RPM or 70xx steel angular contact sets for added stiffness, these spindles depend on precise preload, clean lubrication, and accurate balance.…
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