One (1) Droop & Rein Model HMC 275, 8 Axis CNC 8” Horizontal Boring Mill Specifications: Spindle Diameter----------------------------------------------------------------------------------------------------- 8” Spindle Speed------------------------------------------------------------------------------ 5 to 1500 RPM (140 HP) Spindle Taper-------------------------------------------------------------------------------------------- 60 and Cat 50 Travel X-Axis--------------------------------------------------------------------------------------------------------- 40’ Travel Y-Axis------------------------------------------------------------------------------------------------------- 115” Travel W-Axis-------------------------------------------------------------------------------------------------------- 48” Combined W Ram & Z Spindle Travel ------------------------------------------------------------------------- 88” Travel Z-Axis--------------------------------------------------------------------------------------------------------- 40” Feeds: X Axis------------------------------------------------------------------------------------------- 0.01 -240 IPM Feeds: Y Axis------------------------------------------------------------------------------------------------------------- Feeds: W Axis------------------------------------------------------------------------------------------- 0.01 -240 IPM Feeds: Z Axis------------------------------------------------------------------------------------------ 0.01 – 240 RPM Equipped With: Rotary table (B Axis 0.001°)----------------------------------------------------------------------------- 118” x 149” B Axis Feed range @ 137” Dia.------------------------------------------------------------------------------ 346 IPM Control ------------------------------------------------------------------------------------------ Heidenhain TNC 430 Angle Plates (2)--------------------------------------------------------------------- 49” (W) x 60” (D) x 120” (H) Angular milling attachment---------------------------------------------------------------------- 90 HP, 1500 RPM Speeder attachment 60 station ISO 50 tool changer Thru Spindle High Pressure Flood Coolant systems Chip conveyor Major Machine Modification & Repairs 1.) Ball screws (80 mm) 2.) Indramat axis motors and drives 3.) Turcite anti-friction material and Tychoway linear bearings on X axis 4.) Lubrication systems 5.) Speeder Attachment (Max. Speed 6,000 RPM) 6.) Head balance system 7.) Axis feed back systems 8.) Fabric bellow covers on ‘Y’ axis 9.) Steel telescopic covers on ‘X’ axis Features that were reworked during the 2000 Retrofit and Upgrade Ram and spindle configuration All electric’s Renishaw tool probing Thermal compensation ‘X' and 'Z' axis. Catalogue Specifications. Information is believed to be correct but purchaser is advised to verify information by inspection. Additional info: Specifications and Work performed during Upgrade: Major Machine New Features 1.) CNC 118" x 149" Rotary table 2.) Angular milling attachment w/90hp drive 3.) Speeder attachment 4.) 60 station ISO 50 tool changer 5.) Chip conveyor Major Machine Modification & Repairs implemented in the year 2000. 1.) Ball screws 2.) Indramat axis motors and drives 3.) Turcite anti-friction material and Tychoway linear bearings on x axis 4.) Lubrication systems 5.) Coolant systems 6.) Head balance system 7.) Axis feed back systems 8.) Fabric bellow covers on ‘Y’ axis 9.) Steel telescopic covers on ‘X’ axis Features that have been reworked include the following: Ram and spindle configuration All electric’s Heidenhain TNC 430 control system Renishaw tool probing Thermal compensation 'X' and 'Z' axis. Summary of sizes, Capacities, Speeds and Rates: Spindle diameter ......................................................................................................................... 8" dia Ram size (‘W’ axis) .......................................................................................................... 21.6" x 24.8" Accuracy ‘X’, ‘Y’ axis Positioning Per ANSI std b5.54 any 60" length............................................................................................. 0.0002” Repeatability............................................................................................................................. 0.0001” Accuracy ‘Z’, ‘W’ axis Positioning PerANSI std b5.54 any 60" length................................................................................................ 0.001” Repeatability............................................................................................................................. 0.0005” ‘Z’ axis (spindle) Axis travel....................................................................................................................................... 40” Axis feed........................................................................................................................ 0.01to 240 ipm Axis rapid ............................................................................................................................... 240 ipm Speed range .................................................................................................................. 5 to 1500 rpm Spindle hp................................................................................................................................... 140hp Hp/rev to max........................................................................................................................... 2hp/rev Spindle taper................................................................................................................... 60 and cat 50 Max torque at spindle..................................................................................................... 141,000 in lbs. ‘W’ axis (ram) Axis travel....................................................................................................................................... 48” Axis feed....................................................................................................................... 0.01 to 240 ipm Axis rapid ............................................................................................................................... 240 ipm Combined ram and spindle travel...................................................................................................... 88” Ram and boring spindle thrust............................................................................................... 17,000 lbs Type of feed drive ball screw....................................................................................................... 80mm ‘X’ axis specification Axis travel.................................................................................................................................... 40 ft Axis feeds ................................................................................................................... 0.01 to 240 ipm Axis rapid................................................................................................................................ 240 ipm Type of feed drive ................................................ rack and pinion or ball screw. Eng. approval required. Thrust continuous duty ........................................................................................................ 17,000 lbs ‘Y’ axis specification Axis travel.................................................................................................................................... 115” Axis feeds ................................................................................................................... 0.01 to 240 ipm Axis rapid................................................................................................................................ 240 ipm Type of feed drive ball screw .................................................................................................... 100mm Thrust continuous duty ........................................................................................................ 17,000 lbs Vertical column Column size at base approx. .................................................................................................. 84” x 84” Column weight excluding ram............................................................................................ 48 tons (est.) Runway Number of ways ............................................................................................................................... 4 Width over ways............................................................................................................................. 80” Way width........................................................................................................................................ 8” Floor plate area approx....................................................................................................... 318” x 180” Floor plate capacity ........................................................................................................... 156,000 lbs 6. 6.6.) Angle plates (box type) 2 off ............................................................... 120"H x 49"F x 60"D Control system Type: ................................................................................................................... Heidenhain TNC 430 Axis: ..................................................................................................................... 8 axis and 1 spindle Screen: ...................................................................................................................... 14” color screen Content: 1.2 GB user memory Qwerty keyboard Dialog and ISO programming Remote jog and hand wheel facility RS 232, RS 422 and Ethernet interfaces. Features Non metallic way covers.................................................................................................................. yes Way covers on x axis .................................................................................................... steel telescopic Operator platform and ladder ......................................................................................................... yes Operator work light ........................................................................................................................ yes Vertically adjustable control Station .......................................................................................................................................... yes Spindle sag comp........................................................................................................................... yes Thermal comp 'Z', 'X' axis ............................................................................................................... yes 60 station auto tool changer ISO 50 ............................................................................................... yes Through spindle hi pressure, flood Coolant air blast............................................................................................................. programmable Via m codes for 3 coolant pressures ............................................................................................... yes Option considered Tool probing Renishaw ................................................................................................... optional extra Speeder attachment Max speed ............................................................................................................................ 6,000rpm Max capacity at 1000rpm...................................................................................... 34hp peak 13hp cont. Auto Drawbar Inc ............................................................................................................................ no Coolant through spindle ................................................................................................................. yes Auto mounting................................................................................................................................. no Angular milling attachment Capacity .............................................................................................................................. 90hp max Max speed ........................................................................................................................... 1500 rpm Auto mounting................................................................................................................................. no Auto latch mechanism for Attachments ................................................................................................................................... no Storage rack for attachments............................................................................................................ no Chip conveyor ............................................................................................................................... yes CNC rotary table Rectangular size table......................................................................................................... 118” x 149” Capacity loads centered........................................................................................................ 156,800lbs Fixture locating key ....................................................................................................................... yes Center bore in table ....................................................................................................................... yes ‘B’ axis specification (table rotation) Feed range, at 137” nominal dia. ................................................................................ 0.865 to 260 ipm Rapid motion at 137”dia .......................................................................................................... 346 ipm Index accuracy .................................................................................................. +/- 3.6 seconds of arc Index repeatability ............................................................................................. +/- 1.5 seconds of arc Programming limit .................................................................................................... 0.001 of a degree ‘U’ axis specification (linear table travel) Axis travel.................................................................................................................................... 118” Axis feeds ................................................................................................................... 0.01 to 393 ipm Axis rapid................................................................................................................................ 393 ipm Type of feed drive ball screw..................................................................................................... 125mm Positioning accuracy ....................................................................................................... 0.000118”/40” Repeatability ................................................................................................................... 0.00078”/40” Est. total weight as detailed 250 tons (550,000 lbs)