Building the spindle model number
The motorized spindles from SKF Precision Technologies can be defined by using a simple model number to define the standard features desired. Mech-Tronix spindles offer a series of pre-engineered choices that have been application tested and utilize industry standards for housing sizes, bearing construction, tooling interface, lubrication and motor performance.
Step 1: Select the size
This is a function of the bearing diameter. Refer to the data charts for front bearing size.
Step 2: Housing style
All spindles are foot mounted. The Mech-Tronix spindle is available in a cartridge housing as a special product.
Step 3: Bearings
Angular contact ABEC class 7/9 bearings using either steel or hybrid ceramic balls. This is a function of the operating RPM.
Synthetic grease lubrication is standard. The duplex configuration is typical. The Mech-Tronix spindle has a triplex design for greater stiffness at lower RPM ranges.
Step 4: Tooling
HSK tooling is recommended for high-speed machining. The Mech-Tronix spindle can be ordered with traditional milling taper and uses a standard draw rod for tool retention.
Step 5: Motor performance
Define your operating RPM and HP requirements. Select the liquid-cooled option for higher performance in HP. The horsepower charts will guide you.
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