Linear Encoders for Numerically Controlled Machine Tools
The mounting gauges are used to set the gap between the scale unit and the scanning unit if the shipping brace needs to be removed before mounting.
The test gauges are used to quickly and easily check the gap of the mounted linear encoder. The mounting and testing gauges are available for both slimline and full-size encoders.
Mounting and testing gauge for LC 1xx, LS 1xx, LC 382/LC2x1
Mounting and testing gauge for LC 4xx/LF4xx/LS 4xx
The various mounting aids each simulate an optimally mounted scanning unit. The customer’s fastening for the scanning unit can be easily aligned to it. The mounting aid is then removed and the scanning unit is attached to the mounting bracket.
The mounting aids for the large-length encoders are locked to the scale unit.
The mounting aid for the slimline encoders is designed for use with the mounting rail MSL 41. It is clamped on the attached mounting spar.
Mounting aid for LC 1x5
Mounting aid for LS 1x7
Mounting aid for LC 2x1, LB 382
Mounting aid MSL 41
The encoders of the 400 series require mounting with a mounting spar for measuring lengths of more than 1240 mm. HEIDENHAIN recommends using the mounting spar for measuring lengths over 620 mm to meet high dynamic requirements. The mounting spar can be fastened as part of the machine assembly process. The encoder can be simply clamped on later during final assembly. If service becomes necessary, the encoder can be just as easily exchanged. For the mounting spar MSL 41, the components required for clamping are already preassembled. It is designed for linear encoders with normal or short end blocks. The LC 4x5, LF 4x5 and LS 4x7 can be mounted by either side to enable a cable outlet at either end. The MSL 41 mounting spar must be ordered separately.
MSL 41 Mounting Instructions
As an alternative to the mounting spar, LC 4x5 can also ensure vibration resistance through the use of clamping elements. With a rightward cable outlet, the scale unit of the LC 4x5 fastened at its end blocks can be additionally fixed by the clamping elements. This eliminates the need of a mounting spar for measuring lengths greater than 620 mm.
Mounting Instructions for clamping element
The sealed linear and angle encoders from HEIDENHAIN can be operated with sealing air to increase the level of protection. This offers additional security against contamination.
HEIDENHAIN offers the DA 400 compressed-air filter system for purifying the compressed air. It is designed specifically for the introduction of compressed air into encoders. The DA 400 has special filters that ensure a constant air filtration even at low flow rates. It is extremely tolerant towards sudden changes in pressure in the air supply, such as can be caused by other consumers in the machine being switched on or off. The DA 400 consists of three filter stages (prefilter, microfilter and activated carbon filter) and a pressure regulator with manometer. The sealing air function can be effectively monitored using a manometer and pressure switch (available as accessory).
For optimum sealing air supply to the encoders, the required compressed air quantity is 7 l/min to 10 l/min per length measuring device or 1 l/min to 4 l/min per angle encoder. Connecting pieces with an integrated throttle should be used to regulate the air volume. The throttles ensure the prescribed flow quantities at an input pressure of approx. 1*105 Pa (1 bar).
DA 400 Product Information
DA 400 Mounting Instructions
DS-DA 400 Mounting Instructions
The socket wrench makes it possible to mount the encoder connector to the adapter cable when space is limited.
The greasing device allows simple lubrication of the sealing lips of the LC 2x1 and LB 382 multi-section linear encoders.
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