German Peiseler workpiece fixtures Peiseler model Peiseler price

Peiseler workpiece fixtures are devices used on machine tools to clamp workpieces and guide cutting tools. They refer to fixtures specifically designed for a particular operation on a specific workpiece. Their characteristics include a compact structure, rapid, convenient, and labor-saving operation, ensuring high machining accuracy and production efficiency. However, the design and manufacturing cycle is long, and manufacturing costs are high. When the product changes, the fixture becomes obsolete and is scrapped due to inability to reuse. It is only suitable for production with fixed products and large batch sizes. It contacts the positioning reference of the workpiece to determine the correct position of the workpiece in the fixture, thereby ensuring the correct relative position of the workpiece with respect to the cutting tool and the machining motion of the machine tool during processing. It typically consists of positioning elements, clamping devices, tool-setting and guiding elements or devices.

Peiseler workpiece fixture requirements

Whether gripper-type or suction-type, the robot end-effector must also have the repeatability required for the task. The structure of the robot end-effector should be as simple and compact as possible, and lightweight, to reduce the load on the arm. Dedicated robot end-effectors have a simpler structure than general-purpose ones, but offer high work efficiency and can perform various tasks. In contrast, "universal" end-effectors may have disadvantages such as complex structures and high costs. Therefore, it is recommended to design and use serialized, standardized, dedicated robot end-effectors that can be quickly changed. If an object has two opposing flat surfaces, a double-jaw parallel gripper can be used to address dimensional deviation issues. For cylindrical objects, double-jaw grippers can also be used for clamping. Note that retaining or encompassing gripping requires less force.

Peiseler workpiece fixture classification

1) General-purpose fixtures: General-purpose fixtures are standardized fixtures that can be used to process different workpieces within a certain range. Examples include three-jaw chucks and four-jaw independent chucks on lathes, and vise jaws, indexing heads, and rotary tables on milling machines. These fixtures are generally produced by specialized factories and are often supplied to users as machine tool accessories. Their characteristics are wide adaptability and low production efficiency, making them mainly suitable for single-piece and small-batch production. 2) Dedicated fixtures: Dedicated fixtures are fixtures specifically designed for a particular operation on a specific workpiece. Their characteristics include a compact structure, rapid, convenient, and labor-saving operation, ensuring high machining accuracy and production efficiency. However, the design and manufacturing cycle is long, and manufacturing costs are high. When the product changes, the fixture becomes obsolete and is scrapped due to inability to reuse. It is only suitable for production with fixed products and large batch sizes. 3) General-purpose adjustable fixtures and group fixtures: Their characteristic is that some components of the fixture can be replaced and some devices adjusted to accommodate the machining of different parts. Fixtures used for group machining of similar parts are called group fixtures. Compared with group fixtures, general-purpose adjustable fixtures have less clearly defined machining objects and a wider scope of application. 4) Modular fixtures: Modular fixtures are fixtures assembled from a set of pre-manufactured standard elements and components according to the machining requirements of the part. Manufactured by professional manufacturers, their characteristics are flexibility, strong versatility, short manufacturing cycle, and reusability of components, making them particularly suitable for new product prototyping and single-piece/small-batch production. 5) Pallet fixtures: Pallet fixtures are fixtures used on automated lines. This type of fixture not only serves to clamp the workpiece but also moves as one unit with the workpiece along the automated line from one station to the next for processing of different operations.

Peiseler workpiece fixture applications

1) Stable assurance of workpiece machining accuracy: When clamping a workpiece with a fixture, the positional accuracy of the workpiece relative to the cutting tool and machine tool is guaranteed by the fixture, unaffected by the worker's skill level, resulting in consistent machining accuracy for a batch of workpieces. 2) Reduction of auxiliary time and improvement of labor productivity: Using fixtures for workpiece clamping is convenient and fast; workpieces do not require scribing and alignment, significantly reducing auxiliary time. Clamping the workpiece in the fixture increases its rigidity, allowing for increased cutting parameters. Fixtures capable of clamping multiple workpieces or at multiple stations can be used, and high-efficiency clamping mechanisms can be employed to further improve labor productivity. 3) Expansion of machine tool usage range, achieving multi-functionality: By attaching different types of fixtures according to the forming motion of the machining machine tool, the original technological range of the machine tool can be expanded. For example, installing a boring jig on the carriage of a lathe or the table of a radial drilling machine allows for boring operations on box-type parts. 4) Assurance of machining accuracy: Installation using fixtures accurately determines the mutual position between the workpiece, machine tool, and cutting tool. The positional accuracy of the workpiece is guaranteed by the fixture, unaffected by the worker's skill level, resulting in high and stable machining accuracy. 5) Increased productivity and reduced costs: Clamping workpieces with fixtures allows for rapid positioning and clamping without alignment, significantly reducing auxiliary time. Clamping workpieces with fixtures increases workpiece rigidity, allowing for increased cutting parameters. Multi-workpiece and multi-station fixtures can be used, and high-efficiency clamping mechanisms can be employed; these factors all contribute to improved labor productivity. Additionally, using fixtures stabilizes product quality, reduces scrap rates, allows for the assignment of workers with lower technical grades, and significantly lowers production costs. 6) Expansion of the machine tool's technological range: Using dedicated fixtures can change the original purpose of the machine tool and expand its usage range, achieving multi-functionality. For example, after installing a boring jig fixture on a lathe or radial drilling machine, boring operations can be performed on hole systems of box-type parts; dedicated fixtures can also convert a lathe for use as a broaching machine, fully leveraging the capabilities of general-purpose machine tools. 7) Reduction of workers' labor intensity: Clamping workpieces with fixtures is convenient and fast. When pneumatic, hydraulic, or other clamping devices are used, workers' labor intensity can be reduced.

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