19/08/2026
By
CNCBUL UK EDITOR
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Available now : used JUNG J 630-D CNC Surface and Contour Grinder – Year 2002 made in Germany
| JUNG J 630-D CNC Surface and Contour Grinder – Year 2002 | |
|---|---|
| Manufacturer | JUNG |
| Model | J 630-D / J630D |
| Machine Type | CNC Surface and Contour Grinder |
| Year of Manufacture | 2002 |
| Nominal Size | 12″ × 23″ |
| IMPERIAL SPECIFICATIONS | |
| WORKING CAPACITY | |
| Table Working Surface (L × W) | 23.622″ × 9.842″ |
| Grindable Surface (Including Grinding Wheel Width) | 23.622″ × 12.007″ (including 0.984″ wheel width) |
| Magnetic Chuck Size | 24″ × 12″ |
| Maximum Distance Between Top Edge of Table and Spindle Center (Y) | 19.291″ |
| Maximum Table Load (Including Magnetic Chuck) | 260 lbs |
| GRINDING WHEEL | |
| Grinding Wheel Diameter | 11.811″ |
| Grinding Wheel Width | 1.181″ |
| Grinding Wheel Bore | 3.000″ |
| Radial Wear | 1.772″ |
| GRINDING SPINDLE | |
| Input Power | 13.410 HP |
| Maximum Cutting Speed | 115 ft/sec |
| Mounting Taper | 1:10 |
| Grinding Spindle Speed | 800 – 4,200 RPM, Variable |
| X-AXIS – HORIZONTAL / LONGITUDINAL | |
| Traversing Speed – Reciprocal Grinding (Hydraulic, Stepless) | 39.370 – 944.881 in/min |
| Traversing Speed – Deep Creepfeed Grinding (AC Servo Motor) | 0.197 – 39.370 in/min |
| Traverse Path Between Limit Switches | 24.803″ |
| Effective Reciprocating Stroke | 24.803″ |
| Y-AXIS – VERTICAL | |
| Traversing Speed | 0.004 – 78.740 in/min |
| Traverse Path Between Limit Switches | 14.083″ |
| Axis / Input Resolution | See control description |
| Z-AXIS – HORIZONTAL / CROSS | |
| Traversing Speed | 0.004 – 78.740 in/min |
| Traverse Path Between Limit Switches | 10.945″ |
| Axis / Input Resolution | See control description |
| Z-Axis Travel with Full Enclosure | Reduced by 0.394″ |
| MACHINE DIMENSIONS & WEIGHT | |
| Machine Width | 118″ |
| Machine Depth (Without Control Panel / Control Cabinet) | 106″ |
| Machine Height (Depending on Equipment) | 96″ |
| Machine Weight – Without Enclosure / Control Cabinet | 5,512 lbs |
| Machine Weight – With Standard Enclosure and Control Cabinet | 7,055 lbs |
| METRIC SPECIFICATIONS | |
| WORKING CAPACITY | |
| Table Working Surface (L × W) | 600 × 250 mm |
| Grindable Surface (Including 25 mm Grinding Wheel Width) | 600 × 305 mm |
| Magnetic Chuck Size | Approx. 610 × 305 mm |
| Maximum Distance Between Top Edge of Table and Spindle Center (Y) | 490 mm |
| Maximum Table Load (Including Magnetic Chuck) | Approx. 118 kg |
| GRINDING WHEEL | |
| Grinding Wheel Diameter | 300 mm |
| Grinding Wheel Width | 30 mm |
| Grinding Wheel Bore | 76.2 mm |
| Radial Wear | 45 mm |
| GRINDING SPINDLE | |
| Input Power | 10 kW |
| Maximum Cutting Speed | Approx. 35 m/sec |
| Mounting Taper | 1:10 |
| Grinding Spindle Speed | 800 – 4,200 RPM, Variable |
| X-AXIS – HORIZONTAL / LONGITUDINAL | |
| Traversing Speed – Reciprocal Grinding (Hydraulic, Stepless) | 1,000 – 24,000 mm/min |
| Traversing Speed – Deep Creepfeed Grinding (AC Servo Motor) | 5 – 1,000 mm/min |
| Traverse Path Between Limit Switches | 630 mm |
| Effective Reciprocating Stroke | 630 mm |
| Y-AXIS – VERTICAL | |
| Traversing Speed | Approx. 0.1 – 2,000 mm/min |
| Traverse Path Between Limit Switches | Approx. 358 mm |
| Axis / Input Resolution | See control description |
| Z-AXIS – HORIZONTAL / CROSS | |
| Traversing Speed | Approx. 0.1 – 2,000 mm/min |
| Traverse Path Between Limit Switches | Approx. 278 mm |
| Axis / Input Resolution | See control description |
| Z-Axis Travel with Full Enclosure | Reduced by 10 mm |
| MACHINE DIMENSIONS & WEIGHT | |
| Machine Width | Approx. 2,997 mm |
| Machine Depth (Without Control Panel / Control Cabinet) | Approx. 2,692 mm |
| Machine Height (Depending on Equipment) | Approx. 2,438 mm |
| Machine Weight – Without Enclosure / Control Cabinet | Approx. 2,500 kg |
| Machine Weight – With Standard Enclosure and Control Cabinet | Approx. 3,200 kg |
| INSTALLATION & ELECTRICAL DATA | |
| Operating Voltage / Frequency | 400 VAC / 50 Hz |
| Control Voltage AC | 230 VAC |
| Control Voltage DC | 24 VDC |
| Total Power Requirement with Grinding Power | 13.5 HP / Approx. 10.1 kW |
| Fuse Protection | 35 A |
| Isolating Transformer | For connected electrical loads other than 400 V / 50 Hz or 400 V / 60 Hz |
| CNC CONTROL | |
| CNC Control | SIEMENS 840D |
| Display | 10.4″ TFT Flat-Screen Color Display |
| Drive Technology | Digital drive technology for machine axes |
| Basic Axis Configuration | 3 axes + 1 grinding spindle; additional axes can be integrated |
| Program Management | Included |
| Grinding Spindle Brake | Automatic electric brake |
| Spindle Drive | 4-quadrant DC drive |
| Spindle Speed Range | 800 – 4,200 RPM, variable |
| Online Diagnostics | Prepared for modem connection |
| Program Input / Output | V24 / RS232C |
| Programming During Machining | Supported |
| Network Connection | Hardware adapter, network card and system software for Siemens 840D |
| CONTROL & GRINDING FEATURES | |
| Reciprocal Surface Grinding – Continuous Feed | 1 surface; grinding infeed on one or both sides |
| Reciprocal Surface Grinding – Intermittent Feed | 1 surface; feed and grinding infeed on one or both sides |
| Reciprocal Plunge Grinding | 1 groove; grinding infeed on one or both sides |
| Cylindrical Peripheral Dressing | From table |
| Dressing Compensation | Automatic compensation of dressing dimension |
| Standard Tool Management | 1 grinding wheel and 1 dressing set |
| Extended Tool Management | Up to 100 grinding wheels and 30 dressing diamond sets |
| Technology Programming | Menu-guided programming of infeed values, feed rates, allowances, gauge blocks, peripheral speeds, spark-out strokes, dressing cycles and intervals |
| Technology Modification | Technology parameters can be modified during machining |
| G-Batch Programming | Included |
| Automatic Transverse Positioning | 999 uniformly spaced divisions with equal depth and 40 irregularly spaced divisions with different depths |
| Automatic Reciprocal Face Grinding | Selectable grinding wheel edge – left or right |
| CNC Path Grinding – Transverse Direction | Z/Y grinding program |
| CNC Path Grinding – Longitudinal Direction | X/Y grinding program |
| AXIS & MACHINE EQUIPMENT | |
| Linear Scales | Vertical and transverse axes |
| Remote Control Panel | JUNG remote control panel with electronic handwheel, actual-position display and controls for manual functions |
| Grinding Spindle Drive | DC motor, 10 kW output |
| Vertical & Transverse Axis Drives | Servo motors and ball screws in closed-loop position control |
| Lubrication | Automatic central lubrication for screws, column, table and cross-slide guides |
| Grinding Wheel Flange | 1 flange included |
| Working Area | Full enclosure |
| A-PA31K AUTOMATIC PROFILE DRESSING TOOL | |
| Type | A-PA31K Automatic Profile Dressing Tool |
| Diamond Changing Device | Turret head for 4 single diamonds |
| Dressing Arm | Integrated in cover |
| Setting Device | Dial gauge with 0.001 mm resolution for aligning dressing diamonds |
| Diamond Holders | 4 holders for dressing diamonds, shank diameter 9.25 mm / 0.364″ |
| Dressing Range | 50 mm / 1.969″ |
| Profile Width | 15 / 20 mm (0.591″ / 0.787″) |
| Profile Depth – Inside / Outside | ±0.0025 |
| W-Axis Travel | 55 mm / 2.165″ |
| U-Axis Travel | 60 mm / 2.362″ |
| E-Axis Travel | ±45° |
| Maximum Dressing Speed | 1,000 mm/min / 39.370 in/min |
| HYDRAULIC FLUID CHILLER | |
| Hydraulic Fluid Chiller Applications | High ambient temperatures; short-stroke operation; creepfeed grinding; transverse positioning |
| COOLANT PURIFICATION & FILTRATION SYSTEM | |
| System | Coolant purification system with flushing valve for deep grinding |
| Equipment | Coolant tank, band filter system, filter paper, coolant pipes, coolant outlet and rubber splash protection |
| NS-KA450 | Addition possible |
| Dimensions (L × W × H) | 2,170 × 820 × 800 mm / Approx. 85.43″ × 32.28″ × 31.50″ |
| Inlet Height | 565 mm / Approx. 22.24″ |
| Filter Capacity | 150 L/min / Approx. 39.63 US gal/min |
| Tank Capacity | 450 L max. / Approx. 118.88 US gal |
| Filter Paper Width | 710 mm / Approx. 27.95″ |
| Creepfeed Pump Delivery | 70 L/min at 3.5 bar / Approx. 18.49 US gal/min at 50.8 psi |
| Creepfeed Discharge Flow at Nozzle | 100 L/min / Approx. 26.42 US gal/min |
| Grinding / Dressing Pump Delivery | 70 L/min at 0.2 bar / Approx. 18.49 US gal/min at 2.9 psi |
| Grinding / Dressing Discharge Flow at Nozzle | 25 L/min / Approx. 6.60 US gal/min |
| ELECTRO-PERMANENT MAGNETIC CHUCK | |
| Manufacturer | JUNG |
| Type | Electro-permanent magnetic chuck with continuous cross-pole graduation and longitudinal stop bar |
| Magnetic Potential | 210 V |
| Supply Voltage | 400 V |
| Clamping Surface – Metric | 600 × 250 mm |
| Clamping Surface – Imperial | Approx. 23.622″ × 9.843″ |
| DEEP / CREEPFEED GRINDING | |
| Creepfeed Grinding | Deep grinding with AC control |
| Cutting Power Adjustment | Automatic adjustment during creepfeed grinding for process optimization |
| Table Feed Control | Feed rate automatically adjusted according to cutting performance |
| Feed Rate Adjustment | Steplessly adjustable |
| Creepfeed Programs | Up-grinding and down-grinding programs with integrated operator guidance |
| GRINDING MIST COLLECTOR | |
| Air Filter Type | SNA20 |
| Air Capacity | 20 m³/min / Approx. 706 ft³/min |
| Motor Output | 0.75 kW / Approx. 1.0 HP |
| Motor Current | 1.8 A |
| Voltage | 400 V, 3 Phase, 50 Hz |
| Purity / Separation Efficiency | 99.9% |
| CNC Operation | Switchable by program when used with CNC machines |
| HSK Z-ZERO CLAMPING SYSTEM | |
| Complete HSK Set | 1 spindle, 1 flange and 1 clamping device |
| Clamping System | Z-zero clamping system based on hollow shank taper |
| Grinding Wheel Clamping | Ultra-precise positioning in Z and Y directions during grinding wheel changes |
| Grinding Wheel Flange | HSK40 |
| VECTOR CAD & SOFTWARE | |
| Vector CAD Module | Individual input of geometries, qualification G-SG32 |
| Geometry Functions | Geometry input, rotation, reflection and other geometry manipulation functions |
| GRIPS 32 | Geometry linking to GRIPS 32 |
| WARM-UP / RUN-OFF PROGRAM | |
| Automatic Program | Warm-up / run-off program with timer function for automatic machine start-up and shutdown |
| Start Function | Spindle ON and coolant ON |
| Axis Movement During Warm-Up | X-axis reciprocates and Z-axis reciprocates |
| Run-Off Function | Spindle operates for a defined period |
| Programming | Programmable date and time; date selectable ON / OFF |
| DOCUMENTATION INCLUDED | |
| Operating Instructions | Included |
| Electrical Wiring Diagram | Included |
| SPS Program Print | Included |
| Electrical Parts List | Included |
| Spare Parts List | Included |
| Wear Parts List | Included |
| INCLUDED ACCESSORIES & EQUIPMENT SUMMARY | |
| SIEMENS 840D CNC Control | Included |
| 10.4″ TFT Color Display | Included |
| JUNG Electro-Permanent Magnetic Chuck | Included |
| A-PA31K Automatic Profile Dressing Tool | Included |
| 4-Position Diamond Changing Device | Included |
| Hydraulic Fluid Chiller | Included |
| Coolant Purification / Band Filter System | Included |
| Deep / Creepfeed Grinding Package | Included |
| Grinding Mist Collector SNA20 | Included |
| Full Working-Area Enclosure | Included |
| HSK Z-Zero Clamping System | Included |
| HSK40 Grinding Wheel Flange | Included |
| Siemens 840D Network Connection | Included |
| Vector CAD Module / G-SG32 / GRIPS 32 | Included |
| Warm-Up / Run-Off Program | Included |
| Extended Tool Management | 100 grinding wheels and 30 dressing diamond sets |
| G-Batch Programming | Included |
| Automatic Transverse Positioning | Included |
| CNC Z/Y Path Grinding | Included |
| CNC X/Y Path Grinding | Included |







