<JAPAN> Precision Surface Grinding Machine PSG/ACC-GX Series

Precision Surface Grinding Machine PSG/ACC-GX Series      OKAMOTO MACHINE TOOL WORKS, LTD. 2993 Gobara, Annaka, Gunma, Japan 379-0135 TEL : +81-27-388-9595 FAX : +81-27-385-1144 This printed matter uses environmentally friendly paper URL : www.okamoto.co.jp and vegetable oil inks When and before using our products, you are requested to well go through the articles on danger, warning and attention for the sake of safety described in operation manual attached to the machine and also in the warning plates mounted on the machine. *Specifications subject to change without notice. CAUTION *When a product manufactured at our factory comes under the Foreign Exchange And Foreign Trade Control Law and is exported or carried overseas, it is necessary to receive permission or approval of the Japanese Government. Printed in Japan in June 2022 2022061000MTR-2

Most Popular Standard Surface Grinding Mach ine in the World PSG/ACC-DX Series. The DX Series is succeeded by the GX Series. Precision Surface Grinding Machine CONSTRUCTION PSG/ACC-GX Series Superior machine structure Double V Table Ways on both the Longitudinal and Crossfeed axes Rock-Solid Construction assures optimum performance and long term grinding accuracy Servo driven Vertical feed Hand scrapped slideway Hydraulic and Lubrication Compo- Saddle Moving type Grinder allows nents have been re-located to out- more space saving side of the machine ● Ergonomic design for smooth operation. ● Separate Hydraulic Oil and Lubrication Oil tanks Spindle Head Column Spindle Motor Operation Box Hydraulic Pump Motor Luburication Hydraulic Pump Pump Motor Lubrication Pump Electrical Control Box Fan cooler unit (Option) Lineup PSG/ACC Series Grinding Wheel Guard using Stainless Allows for less operator involvement 　 Steel material by using the Hydraulic type Overhead Chuck Size (mm) ■ Working Size by Electro-magnetic chuck Dresser with auto dress and compen- ● Splash cover also available in Stainless Steel 52GX 500 × 200 Chuck Size (OPTION) to prevent rusting. sation plus retract function. 1000×500mm ● Automatic Dress Cycle can set up Dress Interval 63GX　　 600 × 300 Amount, No. of Dress and Dress wear Compen- Precision Surface sation Amount. 64GX　　 600 × 400 Grinding Machine 65GX　　 600 × 500 Overhead type Dresser Unit 84GX　　 800 × 400 105GX　 1000 × 500　 1 PSG/ACC - GX Series PSG/ACC - GX Series 2

Achieved 0.1μm infeed using our own develope d control system OPERATION The control has convenient features like manual interruption, Easy Operation Quick Set-Up, precision positioning. Hydraulic Operation Panel Convenient and dependable with long term Reliability. ●Crossfeed Control Lever Easily able to switch cross feed mode, ●Table Speed Control Lever Step or Bias for cross feed. Variable up to max. 25m/min. ●Step feed Control Knob Step feed adjustable in the range of 0.5 - 20mm. Automatic Grinding Cycle Rapid feed Start Coarse Spark-out Table Rapid Automatic (Rough) Fine Grinding Sizing Grinding ( 0 - 5 times) Right End feed Stop Grinding wheel Workpiece (Grinding wheel Coarse (Rough) Grinding Fine downfeed retract function : Option) Operation Panel ●Mode selection switch ●Vertical infeed ●Vertical feed handle (M.P.G.) Optional Accessories Selectable for Data input, Automatic 12 step amount between 1 and 30μm to Manual down feed handle. sizing Mode, Manual Operation Mode, be pre-set for Coarse grinding. Under Manual mode, pulse generator Rapid feed Mode. 11 step amount between 0.1 and 10μm dial conducts manual down feed at ●Setup Stock removal Amount to be pre-set for fi ne grinding. graduation either 0.1μm, 1μm or 10μm. Total stock removal can be set to a ●Vertical & Cross position display ●Incremental min. 0.1μm. Coarse feed rate & Fine Under stock removal mode, total grind- Manual down feed at pre-set increment feed rate changeover select by switch ing amount to be pre-set on the digital works any time by pressing the feed 12 step amount 1 to 30 μm for Coarse display at 0.1 μm increment. button even during automatic grinding infeed, 11 step amount 0.1 to 10μm for Crossfeed digital display is an Option. cycle. Coolant and Dust Suction Digital scale for Cross axis Micro-Balancer unit Fine infeed. ●Table Stop System with Magnetic Dust Separator Simply press the button which makes the table stop at right end of set stroke, Plunge Grinding Traverse grinding eliminating lever operation of table speed control. ●Self diagnostic function LED alarm number display. ●Grinding Mode 3 mode can be selected. One side infeed for Plunge, Both side infeed for Plunge, and Tra- Continouse infeed Step infeed Vertical type Rotary Dresser Special Jigs for warped work- verse. Unit One side infeed Both side infeed (Bias feed) pieces 3 PSG/ACC - GX Series PSG/ACC - GX Series 4

Specifi cations Optional Accessories Item Unit 52GX 63GX 64GX 65GX 84GX 105GX Item Specifi cation 52GX 63GX 64GX 65GX 84GX 105GX Table working capacity (Length×Width) 505×200 605×300 605×400 610×500 805×400 1016×500 1） Coolant and Dust Suction System with Magnetic Dust Separator Tank Capacity 40 ◯ － Max. Table Travel (Manual : Longitudinal×Cross) 650×230 750×340 750×440 750×540 950×440 1150×540 Coolant and Dust Suction System Distance from 50/60Hz 205mm 47.5～397.5 − 2） with Magnetic Dust Separator Tank Capacity 120 － ◯ Top of the Ta- 355mm wheel (50Hz) mm Capacity ble to Bottom − 22.5～322.5 22.5～522.5 Coolant system with Magnetic Dust of the Wheel 305mm wheel (60Hz) − 47.5～347.5 47.5～547.5 3） Separator with Automatic type Tank Capacity 120 － ◯ Standard chuck size (L×W×H) 500×200 600×300 600×400 600×500 800×400 1000×500 Paperfi lter ×75 ×75 ×85 ×100 ×85 ×100 Max. stroke 35mm Table Load Capacity including Chuck kg 200 420 700 4） Manual type Overhead Dresser ◯ － Max. Wheel Width 25mm Longitudinal Feed Rate (Average) m/min 0.3～25 3～25 Hand feed per Revolution 47 Max. stroke 35mm 5） Hydraulic type Overheaｄ Dresser ◯ － Hand feed per Revolution 5.0 Max. Wheel Width 25mm Table Manual Feed mm Graduation of Handwheel 0.02 Max. stroke 60mm 6） Manual type Overhead Dresser － ◯ － Automatic Intermittent Feed 0.5～12 0.5～20 Max. Wheel Width 50mm Feed Continuous Feed Rate m/min 0.1～1.0 0.2～1.0 Max. stroke 70mm 7） Hydraulic type Overheaｄ Dresser － ◯ Auto. Downfeed (Traverse & Plunge Cycle) 0.0001～0.03 (15 Positions) Max. Wheel Width 50mm Hand Feed per Revolution 0.01/0.1/1.0 No. of Dress 0～9 times Manual Down (×0.1/×1/×10) mm Vertical Feed 8） Hydraulic type Overhea Dresser Feed Hand Feed per Graduation d Wheel wear compensation 0.0001/0.001/0.01 (with dress compensation function) amount 0～50μｍ ◯ (×0.1/×1/×10) No. of Spark-Out Times 0～5 Dress Interval amount 0～990μm Feed Rate mm/min 600 9） Hydraulic type Overhead Dresser (with Retract Function) Retract amount 0～9.999mm ◯ Grinding Diameter (50/60 Hz)×Width×Bore mm 205×19 × 50.8 355/ 305×38× 127 10） Oil Mist collector With Mounting Base ◯ Wheel Speed (50/60 Hz) min−1 3000/3600 1500/1800 11) Digital scale for Cross axis Display unit 0.001mm ◯ Grinding Wheel Spindle 1.5 3.7 12） Digital scale for Cross axis display kW unit built into operation panel Display unit 0.001mm ◯ Motors Hydraulic Oil Pump 0.75 1.5 2.2 Worm Wheel type Vertical Rapid Feed & Downfeed kW 0.4 (AC Servo Motor) 0.75 (AC Servo Motor) 13） Microfeeder for Cross axis (Graduation) 0.001mm ◯ Power supply 200V, 3-phase (50/60Hz),　220V, 3-phase (60Hz) 14） Hydraulic cooling type Power Electro-Magnetic Chuck ◯ supply Required Power Consumption including Cool- ant and Magnetic chuck kVA 5 10 11 15） Electro-Permanent Chuck with Chuck controller ◯ Floor Width×Depth×Height mm 2420×1650 2740×1950 2740×2250 2740×2500 3330×2260 4330×2500 Space ×1850 ×1850 ×1850 ×2160 ×2160 ×2160 16） Hydraulic Oil Temperature control unit ◯ Weight Net Weight kg 2100 2800 3000 3500 3900 4600 17） Oil Cooling type Spindle Head Necessary for 「Cooling Pump」「Oil Temperature Control unit」 ◯ * Floor Space does not include Coolant tank 18） Spindle Inverter unit ◯ External View 19） Spindle Motor Power Up Please contact Sales ◯ 20） Higher Column Specifi cation Extend Vertical Stroke 200mm － ◯ － Max. wheel width 25mm 21） Spare Wheel adapter ◯ － Wheel adapter Diameter 111 A B C Max. wheel width 38mm 52GX 2420 1650 22） Spare Wheel adapter － ◯ Wheel adapter Diameter 175 63GX 1950 1850 C 23） Micro-Balancer unit Auto measure and Conversation type manual cor- 64GX 2740 2250 rection ◯ 65GX 2500 24） Spare wheel adapter for Micro-Balancer unit Exclusive Balance Piece for Micro-Balancer ◯ PSG63GX 84GX 3330 2260 2160 25） Static type Wheel balancer unit Max. Wheel Diameter 105GX 4330 2500 BW-260 with an Arbor ×Width 260×75mm ◯ － Length 178mm 26） Balance Arbor for BW-260 unit Diameter for ◯ － A Both End x Length 15×15mm B 27） Static type Wheel balancer unit Max. Wheel Diameter BW-360 with an Arbor ×Width 360×75mm － ◯ Standard Accessories Length 178mm 28） Balance Arbor for BW-360 unit Diameter for － ◯ Both End×Length 15×15mm Sample Grinding Wheel (WA46H8V8J) Splash Cover Automatic sizing Device 29） Work light LED ◯ Wheel adapter Automatic Demagnetizing Controller, Plunge cut Device 30） Hydraulic & Lubrication Oil Please use only Recommend Oil 4 6 8 9 Table Dresser with a Diamond tool Chuck Power adjustable type (Single Side or Both side downfeed) 31） Special Color Painting Color sample required ◯ Necessary Tools with Tool Box Electro-Magnetic Chuck Automatic Rough & Fine Feed Change over 32） Vertical type Rotary Dresser Unit Spindle inverter unit is required ◯ Leveling Bolts and Plates Spark-Out Counter (0 - 5 times) Device 33） Special Jigs for warped workpieces ◯ 5 PSG/ACC - GX Series PSG/ACC - GX Series 6