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Specifications
Model Number...................................................................... GH-1640ZX .............................. GH-1660ZX
Stock Number.............................................................................. 321930 ..................................... 321940
Capacities:
Swing over Bed (in.).............................................................................16 .............................................16
Swing over Cross Slide (in.).................................................................10 .............................................10
Swing Through Gap (in.)................................................................25-7/8 .......................................25-7/8
Length of Gap (in.).........................................................................12-1/4 .......................................12-1/4
Distance between Centers (in.)............................................................40 .............................................60
Headstock:
Spindle Bore (in.).............................................................................3-1/8 .........................................3-1/8
Spindle Mount.................................................................................. D1-8 ......................................... D1-8
Spindle Taper with Sleeve .................................................... MT-7(MT-5) .............................. MT-7(MT-5)
Number of Spindle Speeds ..................................................................12 .............................................12
Range of Spindle Speeds (RPM) ............................................ 25 to 1800 ................................ 25 to 1800
Gearbox:
Number of Longitudinal and Cross Feeds ..........................................122 ...........................................122
Range of Longitudinal Feeds (in./rev.)............................0.0015 to 0.0913 .......................0.0015 to 0.0913
Range of Cross Feeds (in./rev.) .....................................0.0006 to 0.0365 .......................0.0006 to 0.0365
Number of Inch Threads ......................................................................61 .............................................61
Range of Inch Threads (in.)..................................................... 1-5/8 to 72 ................................ 1-5/8 to 72
Number of Metric Threads ...................................................................24 .............................................24
Range of Metric Threads (mm)................................................. 0.05 to 20................................. 0.05 to 20
Compound and Carriage:
Maximum Tool Size (in.) .................................................................. 1 x 1 ......................................... 1 x 1
Maximum Compound Slide Travel (in.).............................................5-1/8 .........................................5-1/8
Maximum Cross Slide Travel (in.) ..........................................................9 ...............................................9
Carriage Travel (in.).............................................................................35 .............................................55
Tailstock:
Tailstock Spindle Travel (in.)..................................................................5 ...............................................5
Tailstock Taper................................................................................MT-4.........................................MT-4
Steady Rest Capacity (in.) ..................................................... 1/2 to 3-1/2 ............................... 1/2 to 3-1/2
Follow Rest Capacity (in.) ............................................................ 3/8 to 7 ..................................... 3/8 to 7
Width of Bed (in.)...........................................................................13-3/8 .......................................13-3/8
Overall Dimensions (in.)(LxWxH) ....................................97-1/2 x 40 x 48 ......................116-1/2 x 40 x 48
Motor................................................................7-1/2HP, 3Ph, 230/460V* ..........7-1/2HP, 3Ph, 230/460V*
Approximate Net Weight (lbs.) ......................................................... 5475 ......................................... 5795
*pre-wired 230V