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Heidenhain敞开式直线光栅尺与读数头和光栅尺或钢带间没有机械接触。这些光栅尺的典型应用包括：测量机、比较仪和其它长度计量精密设备以及生产和测量设备，例如用在半导体工业中。

海德汉敞开式直线光栅尺

敞开式光栅尺与读数头和光栅尺或钢带间没有机械接触。这些光栅尺的典型应用包括：测量机、比较仪和其它长度计量精密设备以及生产和测量设备，例如用在半导体工业中。

敞开式直线光栅尺设计用于需要高精度测量的机床和系统
典型应用包括：

海德汉系统

海德汉光栅

海德汉编码器

Heidenhain
Heidenhain数控系统

敞开式直线光栅尺

LIC	The LIC exposed linear encoders permit absolute position measurement both over large paths of traverse up to 27 m and at high traversing speed. In their dimensions and mounting, they match the LIDA 400.	± 0.08 µm	Up to 27040 mm
LIP 200	The LIP 211 and LIP 291 incremental linear encoders output the position information as a position value. The sinusoidal scanning signals are highly interpolated in the scanning head and converted to a position value by the integrated counter function. As with all incremental encoders, the absolute reference is determined with the aid of reference marks.	± 0.001 µm	Da 20 mm a 3040 mm

LIP	The LIP exposed linear encoders are characterized by very small measuring steps together with very high accuracy and repeatability. They operate according to the interferential scanning principle and feature a DIADUR phase grating as the measuring standard.	Up to ± 0.04 µm	Up to 3040 mm
LIF	The LIF exposed linear encoders have a measuring standard manufactured in the SUPRADUR process on a glass substrate and operate on the interferential scanning principle. They feature high accuracy and repeatability, are especially easy to mount, and have limit switches and homing tracks. The special version LIF 481 V can be used in high vacuum up to 10–7 bar (see separate Product Information sheet).	± 0.04 µm	Up to 1020 mm
LIDA	The LIDA exposed linear encoders are specially designed for high traversing speeds up to 10 m/s, and are particularly easy to mount with various mounting possibilities. Steel scale tapes, glass or glass ceramic are used as carriers for METALLUR graduations, depending on the respective encoder. They also feature a limit switch.	Up to ± 0.2 µm	Up to 30040 mm
PP	On the PP two-coordinate encoder, a planar phase-grating structure manufactured with the DIADUR process serves as the measuring standard, which is scanned interferentially. This makes it possible to measure positions in a plane.	± 0.04 µm	Measuring range 68x68mm

Type	Substrate and mounting	Coefficient of expansion	Position error per signal period	Meas. length
LIC 4113 LIC 4193	Glass or glass ceramic scale, bonded to the mounting surface	≈ (0±0,1) x 10^-6K^-1 ≈ 8 x 10^-6K^-1	± 0,04 μm	240 mm to 3040 mm
LIC 4115 LIC 4195	Steel scale tape drawn into aluminum extrusions and tensioned	Same as mounting surface	± 0,04 μm	140 mm to 28440 mm
LIC 4117 LIC 4197	Steel scale tape drawn into aluminum extrusions and fixed	≈ 10 x 10^-6K^-1	± 0,04 μm	240mm to 6040 mm
LIC 4119 LIC 4199	Steel scale tape, cemented on mounting surface	≈ 10 x 10^-6K^-1	± 0,04 μm	70 mm to 1020 mm

Type	Substrate and mounting	Coefficient of expansion	Position error per signal period	Meas. length
LIC 2117 LIC 2197	Steel scale tape drawn into aluminum extrusions and fixed	≈ 10 x 10^-6K^-1	± 1,5 μm	120 mm to 3020 mm
LIC 2119 LIC 2199	Steel scale tape, cemented on mounting surface	≈ 10 x 10^-6K^-1	± 1,5 μm	120 mm to 3040 mm

Model	Substrate and mounting	Expansion coefficient	Position error per signal period	Measuring length	Interface
LIDA 473 LIDA 483	Glass or glass ceramic scale, bonded to the mounting surface	≈ 0 x 10^-6K^-1 or ≈ 8 x 10^-6K^-1	± 0.2 μm	240 mm to 3040 mm	TTL 1 V_PP
LIDA 475 LIDA 485	Steel scale tape drawn into aluminum extrusions and tensioned	Same as mounting surface	± 0.2 μm	140 mm to 30040 mm	TTL 1 V_PP
LIDA 477 LIDA 487	Steel scale tape drawn into aluminum extrusions and fixed	≈ 10 x 10^-6K^-1	± 0.2 μm	240 mm to 6040 mm	TTL 1 V_PP
LIDA 479 LIDA 489	Steel scale tape, cemented on mounting surface	≈ 10 x 10^-6K^-1	± 0.2 μm	Up to 6000 mm	TTL 1 V_PP
LIDA 277 LIDA 287	Steel scale tape drawn into aluminum extrusions and fixed	≈ 10 x 10^-6K^-1	± 2 μm	Up to 10000 mm	TTL 1 V_PP
LIDA 279 LIDA 289	Steel scale tape, cemented on mounting surface	≈ 10 x 10^-6K^-1	± 2 μm	Up to 10000 mm	TTL 1 V_PP

Model	Substrate and mounting	Expansion coefficient	Position error per signal period	Measuring length	Interface
LIF 471 LIF 481	Scale of Zerodur glass ceramic or glass, bonded with PRECIMET adhesive film	≈ 8 x 10^-6K^-1	± 0.04 μm	70 mm to 1020 mm	TTL 1 V_PP

Model	Substrate and mounting	Expansion coefficient	Position error per signal period	Measuring length	Interface
LIP 372 LIP 382	Zerodur glass ceramic embedded in bolted-on Invar carrier	≈ 0 x 10^-6K^-1	± 0.001 μm	70 mm to 270 mm	TTL 1 V_PP
LIP 211 LIP 281 LIP 291	Scale of Zerodur glass ceramic with fixing clamps	≈ 0 x 10^-6K^-1	± 0.001 μm	20 mm to 3040 mm	1 V_{PP EnDat 2.2}
LIP 471 LIP 481	Scale of Zerodur glass ceramic or glass with fixing clamps	≈ 0 x 10^-6K^-1 or ≈ 8 x 10^-6K^-1	± 0.02 μm	70 mm up to 3040 mm	TTL 1 V_PP
LIP 571 LIP 581	Glass scale, fixed with clamps	≈ 8 x 10^-6K^-1	± 0.04 μm	70 mm to 1020 mm	TTL 1 V_PP

海德汉
海德汉数控系统
Heidenhain光栅