Dual Station Vise

Dual Station Vise Overview

A dual station vise, or a double station vise, is a little bit different from the standard vises. A dual station vise is extremely functional and designed with two object-holding stations that hold multiple workpieces at the same time, in order to facilitate productivity. The jaws are usually incorporated with a sliding mechanic to accommodate the different sizes of objects. If you are looking for a vise that optimizes productivity, look no further than the dual station vise! A dual station vise not only allows you to optimize the use of table space, but also provide the capability to machine twice as many parts as the single station vises would.

Materials of a dual station vise

A dual station vise can be made of cast iron, steel, or aluminum. These three types of available materials provide the vise with high rigidity, which allows for superior support for the workpieces to be held. Only when a vise is stable enough then the following machining process can be ensured smooth without deviation. Therefore, the material choice is involved in one of the factors to decide which vise is the best for the manufacturers.

Construction of a dual station vise

A dual station vise consists of a vise body, a carrier slide, a center jaw, two jaw plates, two sliding jaws, and several screws for fixing the assembly. The vise body offers supports for the other components on above. The carrier slide allows for the jaw plates to slide during adjustment. The jaw plates enable the positioning of the movable sliding jaws. As for the center jaw, it is stationary in the center, and used for clamping the workpieces in conjunction with the two sliding jaws.

Application of a Dual Station Vise

In terms of application, the dual station vise is perfect for clamping and machining multiple workpieces at the same time. Once the jaws are set to proper positions, they will hold the objects to be machined securely and accurately. This ensures not only productivity but also rigidity. A dual station vise is commonly used for high volume CNC production due to its superb machining productivity.

Operating a Dual Station Vise

Operating a dual station vise or any vise that utilizes a double station construction is quite easy and safe. A dual station vise is also designed to maintain clamping positions and enable quick repeated loading and unloading. Follow the simple steps below to learn how to properly operate anything that is dual-stationed.

1. Disengage the slide brake:

Assuming that the dual station vise has already been installed on your work bench, we need to disengage the rear brakes first. By doing so, the sliding jaws can be placed and adjusted to match the width of the workpieces later. Once disengage the brakes by loosening the screws from the brass fittings, the jaws can slide from side to side.

2. Place the jaws on vise bed:

Now that the rear brake has been disengaged, place the sliding jaws and the center jaw on the carrier slide. Technically, a vise with dual station design actually consists of three jaw components: one center jaw and two sliding jaws. The center jaw is fastened and secured at the center, and the sliding jaws are installed on the two sides. Both sliding jaws will clamp the workpieces against the center jaw for machining.

3. Secure the jaws:

As briefed in the last step, we are now ready to secure the stationary jaw at the center of the vise bed. Use the screws (usually button head cap screws or socket head cap screws) provided by your manufacturer to firmly secure the center jaw. Next, fasten the sliding jaws which you already placed using extended length set screws or spring plungers. Afterwards, tighten the screws just enough to make sure that the jaws are installed firmly.

4. Engage the rear brakes again:

After all the jaws have been installed, you can now re-engage the brakes which you loosened in the beginning of the operation; fasten the provided screws back onto the brakes to re-engage. You may have to adjust the spring-loaded screws to control the length of spring travel. How far the sliding jaws will open is determined by the amount of spring travel.

5. Hold the workpieces:

Now that the brake is set, the dual stationed mechanism is fully functional. It is time to clamp your intended workpieces in place with the dual station vise that is completely set up. When you have the jaws grip onto the workpieces the first time, the brakes might drag against the vise itself to set to final position which requires more torque to tighten. This will however not happen again for succeeding uses.

The operation of a dual station vise is no doubt different from a standard vise with special regard to the brake system and the double station design. Once you familiarize yourself with the brake system first, then proceed to the rest of the process, it will definitely help greatly in terms of user experience and product usability.

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