What Is Honing
Honing machines are metal abrading tools and process utilizing hard tooling and perishable abrasive stones for the correction of bore geometry, size, and finish.
Final Sizing, Surface Finish, and Surface Structuring
The hone process was developed to allow for perfection of bore geometry, size control, final surface finish and surface structuring. The honing process provides the final sizing and creates the desired finish pattern on the interior of tubing or cylinder bores.
Finishing is accomplished by expanding abrasive stones of suitable grit and grade against the work surface. The stones are rotated and reciprocated in the part with hone abrasive under controlled pressure. Combining rotation and reciprocation produces a cross-hatch pattern in the surface of the part being honed.
Honing Machines Perform Three Operations
- First, it is a stock removal process which takes out ruptured metal and reaches base metal.
- Second, a finish pattern is generated to provide the best possible surface for promoting optimum lubricating conditions.
- Third, honing assures extremely accurate straightness, roundness and size of the cylindrical surface.
Diamond Abrasive Bore Finishing
Single pass honing is done with a diamond abrasive, boring bar type honing tool. This type of honing tool produces a straight, round, and un-tapered bore in one pass of the tool through the part. Single pass honing is ideally suited for honing engine crank and cam bores.
Since size is achieved in one pass, there is no crosshatch pattern in the finished part. The adjustable single pass tool expands the hone stones with a cone similar to standard tooling. However, the stones are not expanded and retracted as with conventional honing. The stones are only expanded to achieve size.
Single pass honing process is limited to the types and volumes of material that can be removed. It is best suited for honing operations that produce a relatively small amount of chips, such as interrupted or short length bores. It is most successful, but not limited to, cast iron and powdered metals.
Arihant Stroke Honing Machines & Finishing Systems
Arihant Stroke Honing Machines & Finishing Systems offers a complete line of products for all honing requirements. We can offer fully integrated systems and machines for high volume production applications and equipment for low volume job shop applications.
We also offer rebuild and upgrade services for existing machines. We provide customers with fully engineered complete custom solutions and offer a full line of accessories and consumables in addition to comprehensive training and repair services.
Our extensive line of stroke honing machine systems have the ability to hone machine bores with diameters ranging from 0.25 - 30 inches and bore lengths up to 75 feet. We offer systems for medium to large-scale serial production as well as small batch production; these systems can be manually operated or fully automated.
Arihant Single Pass Honing/Finishing machine line is suitable for a variety of single pass honing applications. The flexible machine design can be configured with a single spindle for lower volume production requirements or multiple spindles for high volume production.