Giddings & Lewis 70A-DP5-T Horizontal Boring Mill

Technical SpecificationsModel：70A-DP5-T Brand：Giddings & Lewis Product Type: Heavy-duty table type horizontal boring mill for large workpiece boring, milling and drilling processing

Module Feature:Function: Heavy-duty horizontal boring mill for large and heavy metal workpiece machining, supports boring, milling, drilling and tapping operations for heavy industry components. Spindle diameter:5 inch Main motor power:25 HP Work table size:60" × 120" Axis travel:X axis 108", Y axis 84", Z axis 36" Spindle speed range:7.5 ~ 850RPM, multi-speed gearbox design Spindle taper:#50 national standard taper with power draw bolt Structure:Cast iron heavy frame, high rigidity bed structure Optional configuration:2-axis or multi-axis digital readout, 4th axis rotary table retrofit LED indicators:Machine status, spindle run, lubrication, overload diagnostic lights Hardware self-diagnosis:Lubrication pressure monitoring, spindle overload detection, axis travel limit protection

Electrical ParametersMain motor supply:480V 3-phase AC Main motor rated power:25HP Power consumption:Max 22kW Auxiliary power for lubrication and cooling pump

Mechanical & Structure:Mounting:Fixed floor installation, heavy foundation required Weight:Approx 22000kg Protection class:IP20

Environmental:Operating temperature:5℃ ~ +40℃ Ambient humidity:5~85% non-condensing Certification:CE, OSHA industrial machine standard Status:Manufacturer discontinued legacy machine tool

System compatibility70A-DP5-T belongs to Giddings & Lewis heavy boring mill product family. Compatible with original machine spare parts, DRO digital readout system and later CNC retrofit control system. Widely used in heavy machinery, mining equipment, power equipment and large mold processing workshops.

Function70A-DP5-T is heavy-duty table type horizontal boring mill produced by Giddings & Lewis. The high rigidity cast iron frame ensures stable precision during heavy cutting. It can perform boring, milling and drilling on large heavy workpieces. The large rotary worktable supports multi-angle workpiece positioning, suitable for heavy industry large component machining. It can be upgraded with DRO or full CNC control system for modernized transformation.

InstallationFollow heavy machine installation safety procedure before installation. Prepare reinforced concrete foundation according to machine drawing. Position and level the machine with precision level instrument. Connect three-phase main power, lubrication oil pipeline and cooling liquid system. Install DRO or CNC retrofit system as required. Run no-load test and spindle test to verify machine operation accuracy.

InterfaceThree-phase power terminal block, hydraulic oil port, coolant inlet/outlet, control panel multi-status LED indicators for Giddings & Lewis 70A-DP5-T.

DiagnosticSpindle unable to start:Check three-phase power supply, overload relay or lubrication pressure fault. Axis movement stuck:Guide rail lack of lubrication, debris jam or travel limit switch trigger. Spindle speed abnormal:Gearbox shifting failure or drive belt wear.

Product Brief70A-DP5-T is Giddings & Lewis legacy heavy-duty horizontal table boring mill,with 5 inch spindle and 25HP main motor for large heavy workpiece boring and milling processing,discontinued heavy machine tool.