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The Heavy Duty RAM-type Horizontal Boring Mills HBM-140RT is developed to satisfy the demands from oil, gas, shipbuilding, energy, and large mold industries. The ram-type spindle, through a series of simulation, analysis, implementation and dynamic modal tests, has features and capability that are in compliance with the ISO standards.
An automatic clamp/unclamp interface is set in front of the spindle to automatically change the accessory head in order to extend the scope of ram-type spindle, which is well-collocated to facing head, universal head and angle milling head and support fast conjunction to all appliances.
The smart Straightness Compensation Technology (SCT) is adopted to optimize the stability, which offsets the deformation caused by gravity when Ram or quill extends to retain the accuracy. The Spindle Vibration Supervision (SVS) is developed to avoid the RAM type spindle damage due to vibration. Both technologies have obtained the domestic and foreign patents.

Smart SCT is to ensure the machining accuracy for horizontal boring machine when the ram and quill are extended at full length. The SCT provides function to automatically compensate the deformation caused by the gravity which ensures the best linearity and machining accuracy within 3um.

SVS is the system to detect the operating status of the spindle together with send out effective warning, or automatically decrease the spindle speed to operate within safe ranges to further protect the spindle durability, the mechanism also ensures continuous operation of machinery and reduces serious loss owing to damage caused by spindle downtime.

The dual drive system table is to ensure the table backlash within 0.002um which can provide the turning function and to strengthen HBM-140RT functionality. Besides it can reduce the workpiece machining time and to improve competitiveness and ensure customer satisfaction.

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