Universal Cylindrical Grinders
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SHARP Universal Cylindrical Grinder Model OD820HE (manual infeed) OD820SHE (NC wheel infeed). HIGH-QUALITY MACHINES All Sharp precision machines are built to last with only the highest-quality components to deliver reliable precision. We want to develop long-term relationships with our customers so it’s important to us to match you with the perfect machine to meet your needs. Understanding what our customers are making and helping them find the best solution is what we do everyday. Contact Us to learn more.

Equipped With

STANDARD EQUIPMENT: • Auto Lube System • Coolant System • Grinding Wheel with Flange (14” x 1.5” x5”) • Wheel Flange (5 “) • Work head MT # 3 • Manual tailstock, MT # 3 • Carbide Tip Center (MT # 3 x2) • Balancing Arbor • Halogen work light • Diamond (Wheel) dresser with holder • Wired 220V (440V Requires Optional Transformer) • Tool box with Adjusting Tools FEATURES: • Study rigid-design work head offers variable speed from 30 to 350 rpm swivels +/- 45 degrees for various grinding operations • The design of the tailstock is both rigid and robust. Housed in a cast body, the hardened Nitrally steel sleeve is designed to carry a MT3 center • Cartridge type wheel spindle is equipped with four super precision angular contact class 7 (ABEC) bearings ensure high accuracy • One V and one flat hand-scarped guideways are Turcite costed and incorporated with an automatic lubrication system and micro-stepping motor. Smooth movement of the wheel head delivers longer way life with superior positioning accuracy and repeatability • Universal table with variable speeds can be swiveled up to 7 degrees in either direction for cylindricity corrections and taper grinding applications • Slideways, leadscrews are continuously lubricated by an auto-lube system to ensure long service life and maintain maximum accuracy • Optional internal grinding attachment swings down into working position easily and quickly. It can grind workpieces with bores ranging from diameter 24 to 70 mm (0.94”- 2.76”) and depth up to 70 mm (2.76”) • Optional hydraulic tailstock with foot pedal is available for easy loading and uploading of parts. • PLC control uses a menu driven LCD touch screen is easy to learn and easy to set. Simply fill in the blanks to set total grinding amount, rough increment, fine increment, spark out pass, feeding direction, parking positon, retracting clearance and press cycle start to complete automatic grinding cycle (SE version only) • Optional manual level 5C lever type collet closure for quick and precise holding of work piece • HE model has manual wheel head infeed ♦ Servo Motor & Ball screw on Infeed for “SE” model using touch screen conversational program

Power3 hp
Workhead Power0.5 hp
Workhead Speed350 RPM
Grinding Wheel Dia.14"
Max Weight Between Centers176 lb
Plunge (Yes/No)Yes
ControlCNC (PLC)
Dimensions87” x 54”x74”
Weight4,070 lbs

SPECIFICATIONS:  Capacity • Swing over Table 8.7” • Distance Between Centers 19.7” • Max Grinding Diameter 7.9” • Max Load Between Centers 176 lbs  Wheel head • Infeed Travel 6.3” • Hand Feed Travel 6.3” • Top Slide Travel 7” • Auto Rapid travel 1.75” • Auto Increment Infeed (SE version) 0.001” – 0.1” diameter • Hand Wheel per Graduation (dia.) 0.0002” • Hand wheel per Revolution (dia.) 0.1” • Swivel Angle fixed  Grinding Wheel • OD x Width x ID 14” x 1.5” x 5” • Wheel Speed 1620 rpm  Internal Grinding Attachment (opt.) • Grinding Bore Range 0.95”- 2.75” dia. • Max. Grinding Length 2.75” • Spindle Speed 14,000 or 25,000 rpm • Max Chucking Length 10.8” • Max Chucking Diameter 4”  Work head • Spindle Speed (inverter) 30 - 350 rpm • Swivel Towards Operator & Away from Operator +/- 45 degrees • Taper of Center MT 3 (OP 5 C)  Table • Traverse Speed 15.75 rpm • Handwheel per Revolution) 0.35” • Swivel Towards Operator and Away from Operator +/- 8 degrees  Tailstock • Spindle Stroke 1” • Center Taper MT#3  Motors • Wheel Drive 3 HP • Work head Drive 0.5 HP • ID motor (option) 0.5 HP  Measurements • Width x Depth x Height 87” x 54”x74” • Approx. net Weight 4,070 Lbs  Total Power Consumptions • 220V 8KVA/22 amps • 440V 8KVA/ 11 amps

SHARP Universal Cylindrical Grinder Model OD820HE (manual infeed) OD820SHE (NC wheel infeed).

California, United States
SHARP Universal Cylindrical Grinder Model OD820HE (manual infeed) OD820SHE (NC wheel infeed).
Universal Cylindrical Grinders