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United Kingdom-Subcontractor JWA Tooling selected Hainbuch's workpiece clamping technology to ensure rapid tool change in multiple different turning centers, thereby increasing overall productivity.
JWA Tooling has grown exponentially since its inception in 1985, when founder John Wood set up a company in his attic, designed special machines and subcontracted work. The company quickly purchased the first factory and manual machine, followed by CNC machine tools. Recently, the company added a new facility and invested heavily in filling the site with new technology. This investment strategy has paid off. Leicester's business has increased by 150%, and its workforce has increased by 40%. In recent years, new investments have increased processing capacity by 60%.
The company has a factory list of more than 20 CNC machine tools, including a large number of wire cutting, machining and milling/turning centers, grinding and manual lathes, as well as forming, laser marking and automation technologies, all of which are supplemented by a major inspection department Equipped by Mitutoyo. This machine shop has equipment from brands such as HAAS, Spinner, Hardinge and Miyano.
In addition to the factory list, the company has also invested more than 2.5 million pounds in a new factory, three new FANUC EDM machines, three new automation-ready Mazak machining centers, including the company's first dedicated 5-axis machine tool, Doosan Collaboration Robots, Doosan Lynx turning center and Colchester Harrison Alpha 1400XC. Hainbuch's workpiece clamping and clamping technology is increasingly connecting these machines. The reason for investing in Hainbuch's quick-change workholding fixtures is through the company's workflow-its annual product distribution exceeds 8,000 different part types, and batches are often less than five.
John Wood, the founder of JWA Tooling, commented on this situation: "If you analyze our company, you will find that we have a lot of machines and a lot of setup time, which means that machines can stop running for longer than they run. Long. We chose to solve this problem by investing in a new workpiece clamping system."
When the company invested in the Colchester Harrison Alpha 1400XC manual and semi-CNC turning center, Hainbuch's workholding experts were introduced to JWA Tooling. The decision to invest in the Hainbuch Torok 65 manual chuck was influenced by the innovative chuck's ability to provide extremely fast and precise conversion. The flexibility of Hainbuch Torok 65 also allows a quick change from ID clamping of components to OD jaw clamping. In addition, it can also be used in turning centers without clamping cylinders.
The flexible Torok system offers a variety of outer and inner diameter chucks, jaw clamping devices, end drives and Morse tapers, as well as magnet modules and flanges, which provide complete flexibility for JWA's existing and future turning requirements . Hainbuch Torok is able to clamp components with a diameter of 3 to 65 mm with an actuation torque of 90 Nm and a maximum radial clamping force of 105 kN. However, the jaw adaptation allows clamping of chucks far beyond 65 mm in diameter.
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Therefore, when the company recently decided to install the Doosan Lynx 2100LY turning center, the subcontract manufacturer once again chose Hainbuch's workholding technology and the Top Plus 65 combined pull-back chuck chuck. In this regard, Wood continued to comment: "The reason for choosing this specially designed chuck is very important, because we have been using round chucks for many years. But if you look at modern machines with power tools and C-axis configurations, You need to accurately index and know the position of the component face and position. Therefore, with the help of the Hainbuch system and its hexagonal accessories, you can identify the marks on the chuck and the chuck, and then put the chuck back to the same position."
As the mechanic of JWA Tooling, Harry discussed and demonstrated the conversion from the Hainbuch Top Plus 65 combination pull-back chuck to the Hainbuch 215 clamping jaw module system. A single clamping tool is used to clamp the chuck, and the chuck can be removed in a few seconds. Speaking of this, Harry exclaimed: "This clamping tool is unique. It is the easiest tool I use to remove the chuck. The chuck system we used before was fixed in place by threads and locking bolts. Yes, it takes time to release, and it is easy to get stuck due to chip entry. The Hainbuch chuck system relies on the pressure of the chuck expanding outside the holder. To release the chuck, all I have to do is use the Hainbuch trigger tool Relieve the pressure and remove the chuck, this task takes less than 30 seconds."
The next step in changing from a chuck configuration to a 3-jaw chuck is an equally simple process. As Harry continued: "The first step is to use the Allen key to release the central locking mechanism in the chuck. Once the Allen key unlocks the locking mechanism, it cannot be removed from the chuck for safety. Then remove the Hainbuch Top The Plus 215 gripper module system is installed on the spindle of the machine tool. The three screws on the surface of the gripper are tightened, and the blank is then ready to be loaded into the 3-jaw interface-this process takes less than 3 minutes. ”
JWA Tooling has done a lot of small batch quick turnaround work-for this, the Hainbuch system is perfect. This subcontracting company uses a variety of material types to manufacture parts. When processing plastics and other lightweight materials, the Hainbuch system is creating advantages beyond reducing set-up time and increasing machine uptime. As Harry continued: “When using a chuck to process plastic, the process creates a vortex that pulls chips into the chuck and spindle. However, with the Hainbuch chuck chuck system, it is a completely sealed device that eliminates The eddy current effect, so the chips will fall directly into the bottom of the machine."
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When talking about the savings achieved by the Hainbuch system, Harry said: “In the special case where we use the jaws, the setup time is not calculated in minutes, sometimes it may be hours. This is because, for multiple machines, we have Two independent gripper and chuck systems. Therefore, not only must we make changes between the two systems by removing all housings and internal working devices, but we must also time everything correctly and place it in On the machine, then re-drill the jaws. Using the Hainbuch system, we can easily change from the chuck to the jaw, but we can also change from one machine to another. This creates an interchange between machines sex."
From a precision and repeatability point of view, Harry continued: “This is another key advantage of the Hainbuch system. Today I can remove the jaws from one machine and load it onto another machine, it It can still operate normally. From a repeatability point of view, we can accurately predict what will happen. The way we program many components, we use CAD models, and because when we reinstall the chuck or jaw The predictability of the size, we can accurately predict where our benchmark will be, which can even save more processing and setup time."
To enhance the flexibility of the Hainbuch system, Mr. Wood continued: “When he removed the traditional chuck and reinstalled the Hainbuch chuck back into the machine, the head of my turning department was surprised that the concentricity and repeatability of the operation were better than 5 µm. Regarding clamping force, traditional CNC machine tools have a hydraulic clamping mechanism, which can be very savage. With the Hainbuch system, you can have a device that inserts the chuck and measures the clamping force. We also have expansion for ID clamping Mandrel, and can be replaced in less than a minute, just like all other Hainbuch products."
"At present, we have purchased a series of Hainbuch chucks and chucks for two lathes. We decided to remove the existing chucks and chucks from other turning centers. If we do invest in more new turning centers, they will Automatic installation of the Hainbuch chuck chuck system. This really changes the rules of the game for our business," Wood concluded.
Quick change of the chuck seal to prevent dust
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