VHT Modular and Mandrel Honing Stones
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VHT MODULAR SERIES AND MANDREL HONING STONES Replacement Abrasives and Oils for All Major Brands of Honing Equipment

11% more usable abrasive & sulfur filled Sunnen Stone Code: H70A45 Abrasive Grit Size * “OH - Series” Abrasives OTW Sunnen Abrasive Hardness Abrasive Grit Size* * Standard grit sizes above. Others are available Abrasive Type Recommended Abrasive Selection by Material Type Fast Stock Removal Fine Finishing in Drilled, Bored, or Ground Bores Typically in Previously Honed Bores Replacement Abrasives Catalog | 2

Up to 50% more usable abrasive Sunnen Stone Code: H70NM55 * OTW Stone Code: SH703-B 76-M Y Abrasive Type Abrasive Grit Size Hardness Abrasive Hardness Standard Hard Abrasive Grit Size* * Standard grit sizes above. Others are available Abrasive Type Sunnen NM DM Recommended Abrasive Selection by Material Type Fast Stock Removal Fine Finishing in Drilled, Bored, or Ground BoresTypically in Previously Honed Bores 3 | Replacement Abrasives Catalog

Bore Size- Inch (mm Metal Bond Mandrel Abrasives Bore Size- Inch (mm Bore Size- Inch (mm Recommended Abrasive Selection by Material Type Fast Stock Removal in Drilled, Bored, or Ground Bores Fine Finishing Typically in Previously Honed Bores (419)281-3700 Replacement Abrasives Catalog | 4

OTW Stone Code: SK12-B-76 M Abrasive Type V Abrasive Grit Size Abrasive Hardness OTW Sunnen Abrasive Grit Size Diamond D DM Grit Size OTW Sunnen Stone Inserted Super Mandrels These mandrels are for applications where a long lasting mandrel is desired. The advantages of using these super mandrels compared to standard mandrels: 1. Consist size, geometry, and finish of the workpiece. 2. Reduced setup time due to the fact of the mandrels long life compared to standard mandrels. For Special Abrasives Needs or Application Assistance Contact Us at (419)281-3700 or info@ohiotoolworks.com 5 |...

Sunnen Stone Code: W47A45 Abrasive Grit Size Hardness Abrasive Hardness “Portable” Abrasives Abrasive Grit Size* * Standard grit sizes above. Others are available Abrasive Type Silicon Carbide Aluminum Oxide OTW J A Sunnen J A Series (Diameter Range) (419)281-3700 Replacement Abrasives Catalog | 6

Sunnen Stone Code: W47NM55 OTW Stone Code: OH-W470 - B 76 M _ I V ^ Abrasive Hardness Standard Hard Abrasive Grit Size* * Standard grit sizes above. Others are available Abrasive Type Sunnen NM DM Series (Diameter Range) For Special Abrasives Needs or Application Assistance Contact Us at (419)281-3700 or info@ohiotoolworks.com 7 | Replacement Abrasives Catalog

Fast stock Removalin Drilled, Bored or Ground Bores 2.5" - 2.7" 64-69 mm Aluminum OH-G250-J450 Brass OH-G250-J450 OH-G250-J450 OH-G250-J450 Steel Soft < 50 HRC OH-G250-A450 Steel Hard > 50 HRC OH-G250-A430 “Portable” Selection Guide Fine FinishingTypically in Previously Honed Bores 2.5" - 2.7" 2.7" - 4.1" 3.5" - 5.5" Inch Metric Fast stock Removalin Drilled, Bored or Ground Bores 2.7" - 4.1" 69-104 mm Fine Finishing Typically in Previously Honed Bores 50 20 80 40 40 25 Replacement Abrasives Catalog | 8

AccessoriesRemote Feed Adjusting Head Item Description Part Number 1 THREADED FEED CLUTCH ASSEMBLY 16709 2 FLANGED FEED CLUTCH ASSEMBLY 16682 9 | Replacement Abrasives Catalog

VHT-500 Hone Head Module includes: Hone Body External Spline Eccentric Drive Shank, Drive Assembly Rack Assembly - Stone Rack Assembly - Stone Rack Assembly - Stone 3.50-7.00" VHT-700 Hone Head Module (13901) VHT-700 Hone Head Module includes: Body (Assembly)* Shank, Drive Assembly Rack Assembly - Stone Rack Assembly - Guide Rack Assembly - Guide Rack Assembly - Stone Rack Assembly - Stone Rack Assembly - Guide " VHT-800 Hone Head Expansion Module (14020) i°-9.°° VHT-800 Hone Head Expansion Module includes: Cage Assembly Rack Assembly - Stone Rack Assembly - Guide Also Required For Use...

System Overview 11.0-15.00" VHT-830 Hone Head Expansion Module (14063) VHT-830 Hone Head Expansion Module includes: 14107 Cage Assembly 14815 Rack Assembly - Stone 14816 Rack Assembly - Guide Also Required For Use (sold separately): 14904 Body (Assembly)* 13938 Shank, Drive Assembly** 14.0-18.00" VHT-840 Hone Head Expansion Module (13942) VHT-840 Hone Head Expansion Module includes: 13934 Cage Assembly 14817 Rack Assembly - Stone 14818 Rack Assembly - Guide Also Required For Use (sold separately): 14904 Body (Assembly)* 13938 Shank, Drive Assembly** 18.0-22.0" VHT-850 Hone Head Expansion...

Using the right honing oil is an essential part of bore sizing precision, finish and efficiency. OTW makes it easy with our specialty honing lubricants, which are specifically formulated and tested to cool, flush, and optimize your honing operation. OTW's proprietary cutting fluids help customers optimize their material removal rates, extend their abrasive and tooling life, and obtain superior bore finishes. OTW-8915 HONING OIL: OTW-8915 Honing Fluid is a premixed honing oil and is an excellent choice for most honing applications. Available in 5-gallon pails, 55-gallon drums and 275...

Honing Machines Model Bore Diameter Range (I.D.) Horizontal Honing Machines High Volume Production Bore Diameter Range (I.D.) Model OTW-VersaHone Vertical OTW-9000 Vertical Honing Machines OTW’s ever-growing lineup of horizontal and vertical honing machines is a result of the Company’s unmatched efforts to continuously develop and introduce breakthrough honing technology Offerings Complete Tooling Assemblies (Standard & Custom) VHT Expandable Tooling System Honing Tooling Products Tooling Components Description Light Duty – Ultra Heavy Duty Standard & Expandable Mandrels Single Stage –...

Possible Cause(s] Tapered Bore 1. Mandrel not trued 2. Improper stroke length 3. Misalignment of fixture to spindle 1. True stones/mandrel 2. Extend stroke length on tight end(s) 3. Verify alignment 4. Reverse workpiece on mandrel Tapered Blind Bore 1. Improper stone length 2. Inadequate coolant flow 3. Insufficient relief ate blind end Honing Trouble Shooting Barrel Bore 1. Mandel not trued 2. Improper stone length 3. Improper stone Bowed Bore TZZZZZZZZIZZZ^ n7777777777Tzr.i Bellmouth Bore (> 2/3 stone length) Bellmouth Bore (< 2/3 stone length] (419)281-3700 1. Improper stone/tool length...