DRILL MATIC

Name:
TA 220

Technical Description: - Pneumatic and hydraulic indexing tables with internal control valves.
- These are particurarly suited for use on transfer machines and on CNC machining centers, as it makes no difference whether they be set up vertically or horizontally.
- They can stand up to considerable working force.The accuracy of the angular indexing is ensured by two systems: one with two positioning taper pins, having an accuracy of +-10 sec.,or else with Hirth face gears having an accuracy of +-5 sec.
- A pneumatic tailstock can also supplied, increasing the load and thrust capacity when the plate axis is used horizontally.
- Working cycle in 4 phases:
1) Plate lifting,
2) Indexing rotation,
3) Lowering, centering and plate clamping,
4) Return and reset of the rotation rack.
- At the end of phase
3) machining can start.
- An electric limit switch controls both that clamping has taken and the angular phase position.
- The indexing number can be easily preset using the manual selector for the pneumatic versions. In the hydraulic versions the indexing number is presetted by replacing a spacer pin.
- Normal direction of rotation is clockwise for the models TA220-TA320. Counterclockwise on demand.
- The unit is provided with a hydraulic decelerator controlling the rotation end braking.
- The rotation plate is provided with threaded holes for fixing the equipment,and 4 t slots on demand.
- The through center hole can be used for passing stud bolts, piping, distributors etc. 6 to 8 Bar filtrate air supply for pneumatic versions and 20 to 25 Bar for hydraulic version. For the pneumatic versions a single air supply pipe and a pneumatic or electric starting impulse(according to preference) is enough, since the indexer is provided with internally mounted switches and valves; the control box is not necessary.

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