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德国heidenhain海德汉长度计使用说明书
点击次数:2316 更新时间:2020-06-06

德国heidenhain海德汉长度计使用说明书

海德汉的增量式长度计能在*个长的测量范围内提供很*的*度。这些坚固耐用的长度计根据不同的应用有不同的产品类型。

他们在度量行业有广泛的应用,多点测量*、测试设备检测和位置测量装置。

选择海德汉*的长度计的理由。

*

海德汉*的长度计*具有的*还体现它的全量程上。无论是测量10 mm还是100 mm的零件,其实际尺寸的测量*度是*样的。海德汉*的长度计具有*重复性特点,可用于比较测量,例如用于大批量生产。

测量范围大

海德汉*的长度计测量范围有12 mm、25 mm、30 mm、60 mm或100 mm多种选择,因此其*台测量设备可以测量非常不同的零件,避免频繁地更换价格昂贵的量块或模板。

坚固耐用

海德汉*的长度计是为工业环境而制造的。它具有始终如*的*和的温度稳定性。*以,可以广泛应用于生产设备和机床中。

产品简介

主要特点

ACANTO

  • *式测量方式
  • **防护能力
  • 长度计诊断

HEIDENHAIN-ACANTO

Absolute measuring method

  • The position value is available immediately after switched on
  • No counting error
  • No referencing needed—measured value is always available

High degree of protection

  • Protection up to IP67

Compact size

  • Station width of 15 mm

EnDat 2.2 interface

  • Additional information available on length gauge status (diagnostics, warnings, alarms)

Properties

Measuring range12 or 30 mm
System accuracy± 2 µm
Plunger actuationBy measured object or pneumatic
Protection

By measured object, IP67

Pneumatic, up to IP67
InterfaceEnDat 2.2

 

 

 

CERTO

  • **
  • **重复*度
  • Zerodur光栅

HEIDENHAIN-CERTO

Very high accuracy

  • Down to ± 0.03 µm system accuracy at 19 °C to 21 °C

Very high repeatability

  • Repeatability typically < 0.02 µm with 25 mm measuring range

Zerodur scale

  • Close to 0 ppm/K scale expansion between 0 °C and     50 °C
  • Provides the true measured value

Gauge body made of Invar

  • Components in the measuring loop are made of Invar
  • ≈ 1 x 10–6 ppm/K thermal expansion of length gauge

Ball-bearing guide

  • Ball-bearing guide with low friction
  • High-precision measuring loop

Properties

Measuring range25 or 60 mm
System accuracy

± 0.1 µm

With linear error compensation up to ± 0.03 µm
Repeatability

CT 2500: < 0.02 µm
CT 6000: < 0.03 µm

Short-range accuracy< 0.03 µm
Plunger actuationBy motor or coupling
Interface11 µAPP

 

 

HEIDENHAIN-METRO

HEIDENHAIN-METRO MT 1200/MT 2500

High accuracy

 

 

 

  • ± 0.2 µm system accuracy

     

High repeatability

  • Repeatability typically < 0.03 µm with 12 mm measuring range

Zerodur scale

 

 

 

  • Close to 0 ppm/K scale expansion between 0 °C and 50 °C
  • Provides the true measured value

Actuation by cable-type lifter

 

 

  • Defined velocity of the plunger
  • No counting errors

Ball-bearing guide

 

 

 

  • Ball-bearing guide with low friction
  • High-precision measuring loop

Properties

Measuring range12 or 25 mm
System accuracy

± 0.2 µm

Repeatability

MT 1200: < 0.03 µm

MT 2500: < 0.09 µm

Short-range accuracy

MT 1200: < 0.03 µm

MT 2500: < 0.04 µm
Plunger actuationBy measured object, cable-type lifter or pneumatic
Interface1 VPP, TTL

HEIDENHAIN-METRO MT 60/MT 101

High accuracy

  • ± 0.5 µm system accuracy

High repeatability

  • Repeatability typically < 0.04 µm with 100 mm measuring range

Large measuring ranges

 

 

  • Measuring ranges of 60 mm and 100 mm

Ball-bearing guide

  • Ball-bearing guide with low friction

  • High-precision measuring loop

Properties

Measuring range60 or 100 mm
System accuracy

± 0.5 µm

Repeatability

MT 60: < 0.06 µm

MT 101: < 0.04 µm

Plunger actuationBy motor or coupling
Interface11 µAPP

 

 

 

SPECTO

  • 较*防护能力
  • 紧凑型设计
  • 密珠导轨

HEIDENHAIN-SPECTO

High degree of protection

 

  • Protection up to IP67

Compact size

  • Station width of 15 mm

Ball-bearing guide

 

  • Ball-bearing guide with low friction
  • High-precision measuring loop

Sturdy design

 

Properties

Measuring range12 or 30 mm
System accuracy

± 1 µm

Repeatability

ST 1200: < 0.25 µm

ST 3000: < 0.70 µm

Short-range accuracy

< 0.3 µm

Plunger actuationBy measured object or pneumatic
Protection

Up to IP 67 for 12 mm variants with actuation by measured object

IP 64 for all other variants
Interface1 VPP, TTL

 

 

应用举例

选择海德汉*的长度计有许多理由。它不*技术突出,质量标准*,还有遍布*的海德汉销售和服务网络。

这些应用举例表明长度计适用于和不同的应用领域。

HEIDENHAIN-CERTO CT 6001
Highest accuracy and repeatability between temperatures of 19 °C and 21 °C with a thermally invariable design

With an accuracy of 0.1 µm and a repeatability of 0.03 µm, the HEIDENHAIN-CERTO length gauge gives you the most exact measurement over a range of 60 mm that the market has to offer. The calibration chart indicates a value for linear error compensation. In combination with an ND 287 evaluation unit, the achievable accuracy improves to +/-0.05 µm.

Using the recommended CS 200 gauge stand even results in a thermally invariable measuring loop. Since the gauge stand and the HEIDENHAIN-CERTO mechanism both consist of Invar (expansion 1 ppm/K) and the scale with 2 µm signal period is manufactured from ZERODUR (expansion 0.1 ppm/K), small variations in temperature, which generally cannot be avoided, do not affect the accuracy. For high-accuracy measurements, such as stations where the finished dimensions are checked, the optional analog module can be used to compensate for deviations in the temperature of the workpiece or the entire system from the standard 20 °C.

The results of tactile measurements in this accuracy range can already be influenced by an unevenness when zeroing the length gauge. For this reason the CS 200 gauge stand fulfills special requirements regarding a flatness of 0.6 µm for the surface relevant to the measurement. For even greater requirements regarding the flatness, the ceramic plate with vacuum suction can be used. This accessory is specified for a flatness of 0.1 µm.

The electrical motor offers three gauging forces and a very constant probing force over the entire measuring range. The heat input by the operator is reduced to a minimum.

Products used in this application

HEIDENHAIN-CERTO CT 6001329352-01
SG 60 M switch box for CT 6001 length gauges317436-02
CS 200 gauge stand for CT 6001 length gauges221310-01
Recommended accessories 
Ceramic suction plate223100-01
Diaphragm pump754220-01
ND 287 with one measuring channel636287-01
Ethernet module for ND 287654019-01
Analog module for temperature compensation654018-01
Foot switch (assignment must be adapted)681041-xx

 

 

Highlights

Thermally invariable designINVAR mechanism, ZERODUR measuring standard
Accuracy± 0.1 µm over the entire measuring range of 60 mm
± 0.05 µm with linear error compensation from the calibration chart
Repeatability0.05 µm for measuring range of 60 mm

HEIDENHAIN-ACANTO
Comprehensive diagnostics functionality thanks to EnDat 2.2 interface

Industry 4.0, among other factors, concerns gaining more information about the quality of each individual machining step and each quality inspection step. HEIDENHAIN ACANTO length gauges provide realistically analyzable information about the measurements. This is made possible with the bidirectional EnDat 2.2 interface. In addition to providing the position value, the interface also provides further information about the length gauge:  

  • Valuation numbers supply data about the current state of the length gauge. They therefore enable continuous monitoring of the function reserve of scanning.
  • Warnings and alarms allow conclusions to be drawn about components affected by equipment failure.
  • The electronic ID plate can be read out and shows all of the length gauge’s specifications.

The subsequent electronics can independently configure the measuring step with the transmitted information. The EnDat 2.2. interface also enables the retransfer of information to the length gauge.  

Two company departments directly benefit from this added value:

  • Quality Assurance can determine the quality of measurements with this diagnostics information.  
  • Machine Maintenance is able to avoid unnecessary idle times during production thanks to the valuation numbers.  

The valuation numbers are recalculated upon interrogation. The length gauge can thereby detect when a light source is aging or contaminated, for example. The additional information can be provided by all HEIDENHAIN evaluation electronics, and supplementary software or hardware modules are not needed. The following evaluation units are available for the purpose: 

  • the ND 287 for single or dual-axis measuring tasks
  • the ND 2100G GAGE-CHEK with up to eight measuring channels

These evaluation electronics support the EnDat 2.2 interface and ensure all applications benefit from this diagnosis functionality. 

The absolute scanning of HEIDENHAIN ACANTO length gauges immediately delivers a measured value without the need for a reference run. The length gauges with a measuring range of 12 mm or 30 mm repeatedly measure a new absolute value. Measuring errors from excessive plunger speeds, caused by bounce for example, belong to the past. Today’s HEIDENHAIN ACANTO length gauges are equipped now for future requirements. Evaluating the quality of measurements and the status information of the device provides added value for various departments in the company and helps to design production with greater efficiency.

ACANTO highlights

DiagnosisMomentary operating status of the length gauge
Absolute measuring principleNew position value is repeatedly determined, no counting errors
Degree of protectionUp to IP67

Products used in this application

HEIDENHAIN ACANTO AT 1217680982-01
HEIDENHAIN ACANTO AT 1218680983-01
Recommended accessories 
Cable for encoder connection801142-01
ND 287 with one measuring channel636287-01

HEIDENHAIN-SPECTO ST 1200 and ST 3000
The solution for multipoint inspection apparatuses with station widths of only 15 mm

Multipoint measuring stations are becoming ever more important in production. Typical applications are the simultaneous detection of several measured values or combining single measuring steps during machining.

Length gauges from the HEIDENHAIN SPECTO series feature station widths of less than 15 mm, enabling several length gauges to be positioned in tight spaces. To keep space requirements in the system low, cables can be either axially or radially connected. The length gauge is also ideal for in-process measurements thanks to a protection class to IP67.

Accuracy of ±1 µm is ensured over measuring strokes of 12 mm (with the ST 1200) or 30 mm (with the ST 3000). The repeatability accuracy is typically less than 0.3 µm. This value is possible due to the highly precise ball guide.

HEIDENHAIN offers a range of evaluation electronics for processing the measured values on multipoint inspection apparatuses:

  • The ND 2100G GAGE-CHEK with up to eight measuring channels enables values to be displayed and directly evaluated. The scope of the software and hardware enables the saving of processes and responses and the display of PLC functionality with applications.
  • The EIB 741 with four measuring channels is an ideal evaluation unit for applications requiring high dynamic measured-value acquisition. The device enables data interrogation every 20 µs.

HEIDENHAIN SPECTO length gauges are therefore the ideal solution for multipoint inspection apparatuses. Combining them with the various evaluation electronics enables perfect configurations according to the specific application.

SPECTO highlights

High degree of protectionUp to IP67
Ball-bush guided plungerhighest accuracy in the measuring loop
Compact dimensionsunit diameter 13 mm

Evaluation electronics highlights

Modular designup to 250 channels
High dynamicsone data record every 20 µs

Products used in this application

SPECTO ST 1288 with 15-pin connector and axial cable outlet383987-01
ND 2104G GAGE-CHEK, 4-channel with 220 V connection665408-02
EIB 741 evaluation unit with measured-value memory617574-04

 

HEIDENHAIN-ACANTO AT 3018
Absolute measurement together with the EIB 741 evaluation unit

In highly dynamic measuring tasks, such as on test stands, counting errors can occur in the subsequent electronics when using incremental encoders. These are often caused by excessive speeds or vibrations. The absolute length gauges of the HEIDENHAIN-ACANTO series avoid these counting errors by continuously determining the absolute position value for each request, without needing a reference run.

The diagnostics continually check the current state of the encoder and report it via the respective valuation numbers. Should there be an error in the formation of the position value, an alarm bit is transmitted via the interface. A simple check of the state of the length gauge is then possible together with the diagnostic interface of the EnDat 2.2 protocol. This alarm and diagnostic function in particular is important for securing the process capability of the system in advance. In addition, HEIDENHAIN-ACANTO length gauges feature a sliding guide system with ceramic bushing—the best solution for fulfilling the contrary demands of sturdiness and repeatability. A ball-bush guide gives better repeatability, but is more sensitive to contamination and less sturdy than a sliding guide with ceramic bushing.

In combination with the EIB 741 evaluation unit, a position value can be requested every 100 µs. Per channel the EIB 741 can typically store 250,000 data records as well as transmit approx. 1.2 MB of data in streaming mode over the Ethernet interface. The provided C++ and LabView drivers simplify integration in the machine system. As an alternative, as evaluation units you can use the ND 2100G GAGE-CHEK for up to eight encoders.

ACANTO highlights

Absolute measurementNo counting errors at high speeds or vibrations
Sturdy designCeramic plain bush guide, up to IP 67
FlexibilityPluggable assembly

EIB 741 highlights

Highly dynamicOne data record every 100 µs
High data transfer rateInternal memory for up to 250,000 measured values per channel, as well as approx. 1.2 MB data flow rate over Ethernet in streaming mode

Products used in this application

HEIDENHAIN-ACANTO AT 3018680985-02
3 m EnDat 2.2 cable with radial outlet1118867-03
EIB 741 evaluation unit with measured-value memory617574-02
Recommended accessories 
Driver for C 
Driver for LabView

HEIDENHAIN-METRO MT 1281 MW
Measuring delicate parts with virtually zero force

The measurement of delicate parts, such as those in the watchmaking industry, must not lead to their deformation, otherwise the results could be incorrect or the parts could become damaged. The HEIDENHAIN-METRO MT 1281MW length gauge is particularly suited for such demanding measuring tasks. For measurements with a gauging force of nearly 0 (0.01 N to 0.07 N), it includes a specially paired insert with an exchangeable measuring pin. These extremely low values over a measuring range of 12 mm are also possible thanks to the ball-bush guide with very constant friction conditions and the constantly improving measuring force over the course of five million measuring cycles.

The included plunger lifter gives the operator the most direct control possible over the measuring process. As an alternative, a mechanical cable lifter can achieve a very constant gauging motion. The gauging speed is set with a throttle screw in the bellows. The interaction between the guideway, the ZERODUR scale with 2 µm signal period, and the electronics in the connector makes repeatability better than 0.03 µm possible.

The ND 287 evaluation unit is suitable as a subsequent electronics unit for stand-alone measuring stations. When combined with an MT 1281, a measuring step of 1 nm is possible. Also, it offers a color display and many possibilities for capturing and classifying measurement series as well as creating histograms. The ND 287 thus makes it easier to evaluate the manufacturing process.

Highlights

Gauging force0.01 N at measuring position 2 mm
Accuracy± 0.2 µm over the entire measuring range of 12 mm
Repeatability≤ 0.03 µm for measuring range of 12 mm

Products used in this application

MT 1281 MW with zero gauging force359355-10
 
Recommended accessories: 
Cable lifter257790-01 
Gauge stand, e.g. MS 45202162-02 
ND 287 with one measuring channel636287-01 
Ethernet module for ND 287654019-01 
Foot switch (assignment must be adapted)681041-xx

 

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