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Internal Grinding Machines are precision CNC equipment designed for machining internal diameters (ID), tapered holes, and complex internal profiles with micron-level accuracy. These machines are essential in industries requiring ultra-precise bore finishing, such as automotive transmission systems, aerospace engine components, and medical device manufacturing. Geepro's internal grinders combine rigid mechanical structures with advanced CNC systems to achieve tolerances within 0.001mm and surface finishes below Ra 0.1μm.
Geepro's internal grinders achieve tolerances within 0.001mm and surface finishes below Ra 0.1μm, making them ideal for the most demanding precision applications.
Cast iron bed with polymer concrete filling ensures vibration damping and thermal stability during high-speed grinding operations.
Electrically driven spindles (12,000 rpm max) provide consistent torque for carbide and CBN grinding wheels.
On-machine diamond roll dressers maintain wheel profile accuracy with real-time compensation via CNC algorithms.
Simultaneous control of workpiece rotation (C-axis), radial feed (X-axis), and longitudinal traverse (Z-axis) enables contour grinding of eccentric bores.
OPC UA protocol integration allows predictive maintenance alerts and production data monitoring through Geepro SmartFactory Suite.
Precision grinding of motor housings and reduction gear bores with automated loading for 24/7 production lines.
Deep-hole grinding (up to 1m depth) with high-pressure coolant systems to prevent deformation in alloy steel components.
Internal profile grinding for harmonic drive cavities using custom-engineered wheel shapes and 5-axis interpolation.
Large-diameter bore grinding (Φ800–1000mm) with out-of-roundness correction algorithms for energy sector applications.
SubQ: How does coolant delivery affect deep-hole grinding accuracy?
Geepro's 1m-depth machines use high-pressure through-spindle coolant (30 bar) to ensure chip evacuation and thermal control.
SubQ: What wheel types are recommended for grinding HRC 60+ materials?
CBN wheels with ceramic bond structures are optimal, supported by adaptive CNC spark-out cycles.
SubQ: What robotics brands are compatible with Geepro grinders?
Standard interfaces for KUKA/FANUC robots with palletized workpiece handling systems.
SubQ: How does closed-loop feedback improve batch consistency?
Optional Marposs or Blum laser gauges provide real-time size compensation every 10 parts.
SubQ: How quick is wheel changeover for different bore sizes?
Quick-change wheel holders allow tooling swaps in under 5 minutes with CNC-preset parameters.
Geepro's internal grinding series includes:
Standard CNC model for Φ20–200mm bores with 400mm depth capacity.
Deep-hole variant with 1000mm depth and anti-deformation steady rests.
5-axis model for asymmetric internal profiles in turbocharger housings.
Wuxi Geepro Gear Technology Co.,Ltd. was founded in 2016, with the research and development, processing and sales of gears and gear machinery and equipment as the main business direction.
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