dolmar workholding Germany dolmar model dolmar price

dolmar workholding is one of the actuators for vacuum equipment. Generally, using vacuum suction cups to grip products is the most economical method. Vacuum suction cups come in various types; rubber suction cups can operate at high temperatures, silicone rubber suction cups are very suitable for gripping products with rough surfaces, and polyurethane suction cups are highly durable. In addition, in actual production, if oil resistance is required for the suction cup, materials such as polyurethane, nitrile rubber, or vinyl-containing polymers can be considered for manufacturing the suction cup. Usually, to avoid scratching the surface of the product, it is best to choose suction cups with bellows made of nitrile rubber or silicone rubber. The suction cup material is made of nitrile rubber, which has high tensile strength, and is therefore widely used in various vacuum holding devices.

dolmar workholding classification

Due to the different operating characteristics and structural forms of various machine tools, different requirements are correspondingly placed on the structure of the workholding used. According to the machine tool used, workholding can be divided into: lathe workholding, milling machine workholding, drilling machine workholding, boring machine workholding, grinding machine workholding, gear machine tool workholding, and other machine tool workholding. According to the clamping power source adopted by the workholding, it can be divided into: manual workholding, pneumatic workholding, hydraulic workholding, pneumatic-hydraulic workholding, electric workholding, magnetic workholding, vacuum workholding, etc. Specialized classification includes general-purpose workholding, special-purpose workholding, general-purpose adjustable workholding, group workholding, modular workholding, and pallet workholding. Pallet workholding is a type of workholding used on automated lines. This workholding not only serves to clamp the workpiece but also becomes integrated with the workpiece, moving from one station to the next along the automated line for processing different operations.

dolmar workholding applications

A fixture is a process device used to rapidly secure workpieces during machining, maintaining the correct relative positions among the machine tool, cutting tool, and workpiece. In other words, Workholding fixtures are indispensable components in mechanical machining. Driven by the development of machine tool technology toward high speed, high efficiency, precision, integration, intelligence, and environmental friendliness, fixture technology is evolving toward high precision, high efficiency, modularity, combinability, universality, and cost-effectiveness. Fixtures are also known as clamping devices. Broadly speaking, any device used to quickly, conveniently, and safely mount workpieces in any operation of a manufacturing process can be called a fixture. Examples include welding fixtures, inspection fixtures, assembly fixtures, and machine tool fixtures. Among these, machine tool fixtures are the most common and are often referred to simply as fixtures. When machining workpieces on a machine tool, the workpiece must be properly located (positioning) and firmly held (clamping) before machining to ensure that its surface meets the technical requirements specified in the drawing, such as dimensions, geometric shape, and positional accuracy relative to other surfaces. The application of machine tool fixtures helps ensure machining accuracy and stabilize product quality; improves labor productivity and reduces costs; improves working conditions and ensures safe production; and expands the technological capabilities of machine tools, enabling "one machine for multiple uses." A fixture typically consists of locating elements (to determine the correct position of the workpiece within the fixture), clamping devices, tool-setting or guiding elements (to determine the relative position between the cutting tool and the workpiece or to guide the tool direction), indexing devices (to allow the workpiece to undergo machining at several stations in a single setup, including rotary indexing devices and linear indexing devices), connecting elements, and the fixture body (fixture base). Fixtures are also widely used in electronics manufacturers. To improve production efficiency and product quality, fixtures are commonly used in the middle and later stages of production for functional testing or assisted assembly (achieving fixed shapes, heights, etc.). Their applications in electronic manufacturing plants are extremely broad; since they are custom-made non-standard items, the possibilities are limited only by imagination.

dolmar workholding maintenance

1) Before use, check whether the limit dimensions are still in the correct position. 2) If the stop pin wear exceeds tolerance, it can be repaired by grinding; if the baffle, pin, or locating taper pin wear exceeds tolerance, it can be reassembled, shifting the worn areas to continue use. 3) Apply anti-rust oil after use. Regular long-term lubrication can maintain the life of synchronous workholding; incorrect lubrication will lead to reduced clamping force, poor accuracy, wear, and seizing, so correct lubrication is essential. After machining, be sure to clean the synchronous workholding body and slide ways with an air gun or similar tool. During cleaning, remove the dust cover fixing screws and take off the dust cover, while opening the main jaws to their widest position to easily clean chips accumulated inside the workholding. To avoid reduced clamping force due to rust, use anti-rust cutting oil. Remove the synchronous workholding every six months for thorough cleaning (at least every two months when machining cast iron or copper products). Check parts for damage or wear, and replace with new items immediately if severe. Lubricate thoroughly before assembly.

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