Picture of CNC Honing Machine working

CNC Honing Machine

Posted On : 25-03-2021
By : Ajeet Samani

Honing denotes to a process of scrubbing abrasively up against the subject metal workpiece with stone across a controlled path. The complete process helps give the formation a precision interior surface, particularly of a bore or a cylinder. The goal is to deliver a finished surface of the desired diameter and geometric cylindricality. In regular honing, the apparatus rotates, responds and expands to remove the ideal material from the part bore.

Controlling the bore size is hard to accomplish by this procedure, hence a more reliable process is required to achieve the best outcomes. One such process is Single Pass Honing which is likewise known by the terms - Single Stroke Honing, Precedor Honing, Diamond Reaming. This is a progressive Honing Process and the tool utilized is a diamond abrasive, boring bar resembling honing tool.

Picture of CNC Honing Machine working

As the term proposes, Single Pass of the machine through the subject area produces a straight, un-tapered bore with an entirely rounded surface. Moreover, unlike regular bores that bear a cross-hatch pattern because of continuous grinding, the single-pass method leaves no such pattern on the completed surface. Instances of such applications include torque converter hubs, and a large group of others through bores, for example, interfacing bars where cross hatch pattern and super fine surface finish are not required.

With higher performance required from turbochargers, steering knuckles, gears, fuel systems and valves, honing is being utilized more broadly. It can make an already "decent" bore into one that is round and straight to a fine level of accuracy, with high procedure capability and precision measured in tenths of a micron. However, with two chief honing processes accessible - single-pass and traditional multi-stroke - it’s essential to match the capabilities of each to the application prerequisites. Appropriately applied single-pass sharpening can give a speedy, cost-effective method of obtaining an exact bore size, geometry and surface completion. The process is particularly helpful for parts made of cast iron, powder metals, ceramic, glass, graphite or other free-cutting materials.

Honing Machines have the ability to sharpen surfaces at various angular orientations utilizing rocking movement to create the stroking while honing in one direction and straight movement to create the stroking while honing in an alternate precise direction that takes into account extreme control while conveying a reliable crosshatch pattern all through the whole length of the hole.

In a typical single pass honing machine, normally 0.025 mm to 0.075 mm of stock is expelled using three to four honing stations. In light of the measure of stock removed and the hardness of the part and material, tools can last in the range 40,000 to 100,000 cycles. Single Pass Honing Machinery is additionally very one of a kind when contrasted with regular honing tools, that is, in this method stones are just expanded, as against, being extended and retracted. Moreover, right now, the honing tool is long and extremely abrasive all through its length. On the off chance that you are required to adjust the tool, the machine should be halted as it has no in-process hone expansion like its other counterparts.

A hand pressing the green power button to the left of the CNC Machine's screen

Single pass honing machines use a progression of persistently bigger diamond mandrels with a fixed diameter and grit size. The abrasives are not self-dressing. Single pass honing tools rotate while causing one stroke to all through the bore, however servo-controlled stroking provides some adaptability with customizable speed and different feed profiles, such as pecking, short stroke and stay. Single-pass honing is set up in the part configurations and materials it can process. Parts with L/D ratios up to 1:1 are perfect. Single-pass bore measuring additionally works with splined bores or longer L/D proportions if cross openings or other bore obstructions permit chip flushing. The process can impersonate, but not duplicate, the crosshatch pattern produced by multi-stroke honing—a basic distinction for certain parts. With breadths beneath 0.300 inch, device quality turns into a constraint.

Appropriately applied single-pass honing can give a speedy, practical method for getting an exact bore size, geometry and surface completion. The procedure is particularly valuable for parts made of cast iron, powder metals, ceramic, glass, graphite or other free-cutting materials. The perfect length-to-width proportion is no higher than 1:1, in spite of the fact that the procedure can be fitting for longer proportions or splined bores if the part contains cross openings or different interferences that permit chip flushing.

The single-stroke gadget is a diamond-plated sleeve on a decreased arbor or a fixed-sized tool covered with diamond abrasive particles. The sleeve is extended uniquely during arrangement. No changes are fundamental during honing. Dissimilar to conventional honing, where the workpiece is stroked to and fro over the tool, in single-stroke honing the rotating tool is pushed through the bore one time, bringing the bore to size. The return stroke does nothing to the bore with the exception of getting the workpiece off the tool. Single-stroke honing is so precise and predictable that honed bores don't require gaging.

Being established in 1994 by Mr Ajeet Samani, Khushbu Engineers are one of the top manufacturers of CNC Single Pass Honing Machines in India. Mr Samani is a technocrat having expertise in the field of honing because of his passion and hard work in the bygone years. Khushbu India started with humble beginnings focusing on design and manufacturing of productivity enhancing equipment. Having the ability to quickly adapt to industry changes and fulfil customer demands, we shifted our focus on design and manufacturing of Honing Machines, beginning with manual and auto-stroking honing machines.

A close up photo of CNC Machine components and drills

Keeping up the pace with market needs, Khushbu India has reigned in the industry of manufacturing and marketing high precision, cost effective and efficient CNC Honing Machines. The aim to overcome flaws and deliver the best efficient products to the customers have contributed in establishing Khushbu India as a perfect and reliable partner for Honing applications. Continuous Research & Development, welcoming challenges in bore finishing, complete technical support, the agility to adapt, improvise and overcome are the major reasons of our success through the years.

Our Honing Machines are extensively used by the leading names in the Indian industry such as Godrej, MICO, Indo MIM, Eaton, Preciforge and Gears, Bajaj Motors. Our clientele also has organizations from the USA, China, South Africa, Europe and the Middle East. Kenrie Inc from Michigan, USA and Auteco SRL from Italy are leaders in special applications of bore finishing and they have recently joined hands with Khushbu India. The product spectrum includes two wheeler transmission gears, a high production and highly accurate auto component to Hydraulic Valves, having L/D ratio of more than five and demanding highest accuracy of bore geometry. Varieties of components are honed with ease of operation achieving very high accuracy and production requirements.

A close up photo of CNC Machine components and drills

Khushbu specialize in high precision, highly productive bore finishing honing solution.
CNC Single Pass Honing Machines in India, Honing Machine Manufacturers and Exporter in India,
Honing Machine Manufacturers in India

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