เทคโนโลยีการสร้างอุปกรณ์จับยึด Types and Functions of Fixtures อ.ธรรม์ณชาติ วันแต่ง สาขาเทคโนโลยีการผลิต มหาวิทยาลัยราชภัฏเพชรบูรณ์

Fixtures Classification of Fixtures Fixtures are normally classified by the type of machine on which they are used Milling fixture Latch-radius fixture ...

Jig and Fixture Design Jig: A device that holds the work and locates the path of the tool. Fixture: A device fixed to the worktable of a machine and locates the work in an exact position relative to the cutting tool.

Fixture แบบง่าย

Fixtures Milling fixtures Fixture components Fixture design considerations Sequence in laying out a fixture

ชนิดของ Fixture Plate Fixture Angle Plate Fixture - Modified Angle Plate Fixture 3. Vise Jaw Fixture 4. Indexing Fixture

Fixtures: Types of Fixtures 1. Plate fixtures Simplest and popular form of fixture Made form flat plate Varity of clamps

Plate fixtures

Fixtures: Types of Fixtures 2. Angle-plate fixtures Used for machine the parts at precise angle

Fixtures: Types of Fixtures 2. Angle-plate fixtures Used for machine the parts at precise angle

Fixtures: Types of Fixtures 3. Vise-jaw fixtures Used for machining small parts Standard vise-jaws are replaced with jaws that are formed to fit the part

Fixtures: Types of Fixtures 4. Indexing fixtures Very similar to indexing jigs

Fixtures: Types of Fixtures 4. Indexing fixtures Used for machining parts that have machined details every spaced

Fixtures: Types of Fixtures 5. Multi-station fixtures and duplex fixtures For high-speed, high-volume production runs, where the machining cycle must be continuous

Duplex Fixture or Multistation Fixture ชิ้นงาน ชิ้นงาน

Fixtures: Types of Fixtures Profiling fixtures To guide tools for machining contours that machine cannot normally follow

Fixture components Fixture base Fixture components and the workpiece are usually located on a base, which is securely fastened to the milling machine table.

Fixture components Clamps Clamps counteract forces from the feed of the table and rotation of the cutter.

Fixture components Set blocks Cutter set blocks are mounted on the fixture to properly position the milling cutter in relation to the workpiece.

Jigs and Fixtures Design Second Edition, EDWARD G. HOFFMAN เอกสารอ้างอิง Jigs and Fixtures Design Second Edition, EDWARD G. HOFFMAN Chapter 26 Jigs and Fixtures www.accd.edu/sac/engtech/CADD/Rstrube/TECHNCAL_DRAFTING/Student%20Tutorial%20Power%20Points/CH26.PPT