TPG – Toolpost Grinders Catalogue
26Pages

333A Bell Park Drive E.mail: sales@jenatecusa.com Jena Rotary Technology Limited Willow Drive Sherwood Park E.mail: info@jena-tec.co.uk engineering technology group

Jena-Tec Duplex - Page 2 of 26 HEAVY DUTY TOOL-POST GRINDERS page 4/5 INTERNAL AND EXTERNAL TOOL-POST GRINDERS page 6-9 LONG REACH QUILLS FOR DEEP HOLE GRINDING page 10 STEP TYPE LONG REACH SPINDLES page 11 MOTORISED GRINDING HEADS page 12 DIRECT DRIVE, HIGH FREQUENCY TOOL-POST GRINDERS page 13 ABRASIVE TOOL-POST GRINDERS page 14/15 REPLACEMENT GRINDING WHEELS page 16 REPLACEMENT ABRASIVE BANDS page 17 DUPLEX TOOL-POST GRINDERS INSTRUCTIONS FOR OPERATION page 18-27 DUPLEX TOOL-POST GRINDERS INSTRUCTIONS FOR OPERATION INSTALLATION & MOUNTING page 20 WHEEL SELECTION page 21/22 GRINDING...

Jena-Tec Duplex - Page DUPLEX - PRECISION GRINDING OVERVIEW The Jena-Tec Duplex range of Tool-Post Grinding Units incorporating precision spindles offer reliability and durability. The units incorporate enclosed fan cooled motors and special attention is given to ensure accurate balance of all rotating parts. Wheel flanges, manufactured in mild steel, are to BS 4581 Pt2 and ISO R6666 Standards. A wide range of flanges are interchangeable on the various models. Special Duplex Tool-Post Grinding Units are available to suit specific application requirements. Please discuss with a Jena-Tec...

Jena-Tec Duplex - Page HEAVY DUTY TOOL-POST GRINDERS General Specification SPINDLES Precision Ball or Roller Bearings are used throughout the range. MOTORS All types have totally enclosed motors with external fan cooling. Particular care is taken to ensure accurate balance of rotating parts. SWITCHES A Switch Box with start & stop buttons is mounted on a plate adjacent to the motor, for quick control. WHEEL FLANGES Mild Steel to BSI 4581 Pt2/ISO R6666 for Grinding Wheels. An interchange system is standard on Types D.31, D.30A, D.31A, D.31B, D.32, D.33, D70, D71 and D72. Flange and wheels...

Jena-Tec Duplex - Page HEAVY DUTY TOOL-POST GRINDERS LEFT AND RIGHT HAND UNITS Right Hand Left Hand 98% of all units supplied are right hand and fit onto the normal front tool-post. Left hand units can be supplied for use on the rear Tool-Post or a copy attachment. Such units will have spindles with left hand threads. SPECIAL UNITS Units designed and manufactured to customers requirements are available. Contact our Sales Office with your specifications. REPAIR, SERVICE AND RECONDITIONING When your spindle requires attention we recommend that it should be returned to us, where it will...

Jena-Tec Duplex - Page INTERNAL AND EXTERNAL TOOL-POST GRINDERS *SPECIAL FLANGES REQUIRED FOR CUP WHEELS Dimension Sheet Plain Wheels – Inches mm Inches mm Cup Wheels (Flared) Inches mm * Grinding Depth With Ext. inches Wheel mm With Int inches Extension mm Smallest bore with Standard extension For Lathes of Centre Height 3 Phase Quill Dia Belts Can Built-in Diamond Dresser be fitted Motor Power

Jena-Tec Duplex - Page INTERNAL AND EXTERNAL TOOL-POST GRINDERS *SPECIAL FLANGES REQUIRED FOR CUP WHEELS Dimension Sheet Plain Wheels – Inches mm Inches mm Cup Wheels (Flared) Inches mm * Grinding Depth With Ext. inches Wheel mm Extension mm Smallest bore with Standard extension Motor Power For Lathes of Centre Height Can Built-in Diamond Dresser be fitted

Jena-Tec Duplex - Page INTERNAL AND EXTERNAL TOOL-POST GRINDERS D.26 for 31/2" (87mm) Centre height lathes. Internal and External. D.27 for 5" (127mm) Centre height and larger lathes. Internal and External. D.30A, D.31 for 7" (215mm) Centre height and larger lathes. D.30A External. D.31 Internal and External D.31A, D.31B for 7" (175mm) Centre height and larger lathes. D.31A External. D.31B Internal and External D.28, D.29 for 7" (175mm) Centre height and larger lathes. D.28 External. D.29 Internal and External DIAMOND DRESSERS 3949 (10mm - 50mm 3949 (10mm - 50mm For mounting on the work or...

Jena-Tec Duplex - Page EXTERNAL HEAVY DUTY TOOL-POST GRINDERS These Heavy Duty units can be used with plain, form or cup wheels in any position from the horizontal to the vertical. MOTORS are totally enclosed and surface cooled. Particular care is taken to secure accurate balancing. SPINDLES run in taper roller bearings, protected by seals. FLANGES are made from sawn Mild Steel blanks, and are to BS 4581 Pt2 and ISO R6666 Standards. An interchangeable system is standard on D.32 and D.33, i.e., flange and wheels can be removed as one unit and replaced by others without the necessity or...

Jena-Tec Duplex - Page LONG REACH QUILLS FOR DEEP HOLE GRINDING These quills have solved many awkward production problems, and are an invaluable accessory. They provide a means of machining a workpiece without the deflection that might be caused by a cutting tool. The massive bases of the larger Duplex grinders provide adequate anchorage. They are readily interchangeable with the standard quills. High precision bearings are used throughout, the longer sizes having supporting bearing or bearings in the centre. STANDARD LENGTHS Effective Grinding Depth Quill Diameter Drive Equipment includes...

Jena-Tec Duplex - Page STEP TYPE LONG REACH SPINDLES Production Engineers are sometimes faced with the problem of accurately grinding smaller diameter bores of considerable depth. The spindles listed below are interchangeable with the standard of the ‘Duplex’ Grinders listed. Other sizes can be made subject to design limitations and the necessity of having bearing directly behind the grinding wheels. SPECIFICATION Spindle *Driving Equipment *DRIVE EQUIPMENT NEEDED FOR VEE BELT MODELS ONLY D.28, D.30A, D.31A, D.32 & D.3

Jena-Tec Duplex - page MOTORISED GRINDING HEADS 3-Phase only These compact and substantially built units comprise, basically, a precision grinding spindle with a 3-phase rotor/starter unit mounted thereon. Bearings are grease packed and sealed for life. They can be used in lubricated. All sizes lend themselves very readily for building into special purpose machines either singly or in banks for progressive grinding operations. They are also suitable for use on vertical boring machines where compactness is desirable. Units can be built left hand if required. Type D.70 had an on/off switch...