NEW KINGSTON BIG BORE LATHE
MODEL: HR
AVAILABLE SIZES: 34" SWING / 40" SWING
BETWEEN CENTERS: 80"/120"/160"/200"/240"/280"/320"
SPECIFICATIONS (30" MACHINE):
CAPACITY
SWING OVER BED ........................ 30"
SWING OVER CROSS SLIDE ................ 20.7
SWING OVER GAP ........................ 41.2"
DISTANCE BETWEEN CENTERS .............. 80"/120"/160"/200"/240"/280"
WIDTH OF BED .......................... 22"
HEIGHT OF FLOOR TO WORK CENTER ........ 46.5"
HEADSTOCK
SPINDLE BORE .......................... 4.09
TYPE OF SPINDLE NOSE .................. ASA #450 X MT #6
NUMBER OF SPINDLE SPEEDS .............. 16
SPINDLE SPEEDS ........................ 8 – 800 RPM, 12 – 1200 RPM (OPTIONAL)
NUMBER OF FEED CHANGES ................ FINE 20, NORMAL 40, COARSE 30
RANGE OF LONG. FEEDS PER REV. ......... 0.00048” – 0.0168”, 0.0024” – 0.0337”, 0.0384” – 0.2694”
LONGITUDINAL CROSS .................... 1/2 OF LONGITUDINAL FEED
LEADSCREW DIAMETER & THREADS PER INCH . 1.9” / 2 TPI
THREADING RANGE - WHITWORTH ........... 2 TO 28 TPI (40) / COARSE 5/8" - 8" PITCH 16
THREADING RANGE - METRIC .............. 1 TO 14mm PITCH (31) / COARSE 16-200 mm PITCH (61)
MAXIMUM TRAVEL OF COMPOUND ............ 9.4”
MAXIMUM TRAVEL OF CROSS SLIDE ......... 21.2”
TAILSTOCK QUILL TRAVEL ................ 11.8”
TAILSTOCK QUILL DIAMETER .............. 5.1”
TAILSTOCK CENTER ...................... M.T. #6
MAIN DRIVE MOTOR ...................... 20 HP (15KW)
COOLANT PUMP MOTOR .................... 1/4 HP
STANDARD FEATURES
20 HP, 230V/460V, 3 PHASE, 60 CYCLE MOTOR, SWITCH & WIRING COMPLETE
4.09” SPINDLE BORE
SPINDLE NOSE: D1-11 CAMLOCK
16 SPINDLE SPEEDS: 8 – 800 RPM
HEADSTOCK SPINDLE ADAPTOR: ASA-450 TO MT#6
4-WAY RAPID TRAVERSE
T-SLOT ON TOOL SLIDE
HARDENED AND GROUND BED AND CROSS SLIDE WAYS
2-SPEED DRIVE TAILSTOCK QUILL
COOLANT SYSTEM WITH PUMP AND PIPING
PULL DRAWER CHIP (COOLANT) PAN
SLIDING CHUCK GUARD
OPTIONAL ACCESSORIES
11.9”, 19.7” STEADY RESTS WITH ROLLER JAWS
23.5” STEADY REST WITH ROLLER JAWS (34" & 40” SWING ONLY)
ROLLER BRACKET
7.9” FOLLOW REST
TELESCOPIC TAPER ATTACHMENT ±8° & 3.5”/FOOT, 19.7” STROKE
DRILLING ATTACHMENT
CARRIAGE STOPS
LOW RPM MODIFICATION (0.4 – 40 RPM, FACTORY INSTALL ONLY)
HIGHER RPM MODIFICATION (12 – 1200 RPM, FACTORY INSTALL ONLY)
HYDRAULIC BRAKE SYSTEM (FACTORY INSTALL ONLY)
FULL-LENGTH SPLASH GUARD (FACTORY INSTALL ONLY)
CHIP CONVEYOR (FACTORY INSTALL ONLY)
DIGITAL READOUT (DRO) + INSTALLATION
LIVE CENTERS
ALORIS QUICK CHANGE TOOL POST & SETS
3-JAW & 4-JAW MANUAL CHUCKS
KNOWN AS “THE WORKHORSE” IN MACHINE SHOPS ACROSS THE COUNTRY, KINGSTON’S HEAVY-DUTY HR MODEL HAS BEEN THE INDUSTRY LEADER IN ITS CLASS FOR NEARLY 40 YEARS. AT THE HEART OF THIS MACHINE IS A STRONG AND RIGID HEADSTOCK WITH A HARDENED AND GROUND MAIN SPINDLE, WHICH FEATURES A 4.09” BORE AND A 3-POINT BEARING SUPPORT SYSTEM FOR SUPERIOR CUTTING CAPABILITY. OPERATORS BENEFIT FROM THE INCREASED CONTROL THAT COMES WITH 16 SPINDLE SPEEDS (8 – 800 RPM) AND A WIDER RANGE OF FEEDS AND THREADING CHOICES. THE UNIQUE RIB STRUCTURE OF THE 22” BEDWAY IS MADE WITH HIGH-QUALITY CASTING TO ENSURE GREATER STABILITY AND ACCURACY IN HEAVY-DUTY APPLICATIONS. THE HR IS AVAILABLE IN 30”, 34”, OR 40" SWING AND LENGTHS FROM 80” – 320”.