Easy-Laser® E970/E975 Roll Parallelism
Roll Alignment & Parallelism Measurement
The Easy-Laser® E970 Parallelism system uses the traditional method where a laser beam is pointed alongside the machine, and then deflected 90 degrees towards the measurement object by a penta prism. The prism is moved along the beam, which is deflected to each roll that is to be measured, and maybe aligned. Both ends of the roll are measured, and you get an angular value which is compared to the reference line (base line) or a reference roll. Besides paper machines, printing machines and rolling mills you can also measure and align rails, overhead tracks, metal sheet cutters and many other types of machines. The E970 is especially suitable when many objects are to be measured and aligned, and when measuring over a long distance. The maximum distance with a standard system is 80 metres, the number of measurement objects can be several hundred, but is more likely limited by other practical factors than the system software! The alignment of the rolls can be performed in live mode with instant feedback. You can add, remove and remeasure objects any time during measurement. The result is displayed both graphically and digitally in a table, and a PDF report can be produced directly on-site. Then transfer the results to your PC and the data base software EasyLink™ (included).
Versatile system for many different kinds of measurements
Easy-Laser® E970 is not only limited to parallelism measurement. You can also use the system to measure level, straightness and flatness on wire sections (suction boxes), flatness on foundations and straightness of rolls. With a few accessories you can also do shaft alignment. This makes the E970 a very cost-effective solution for your maintenance department.
E975 Roll Alignment
Quick and accurate roll alignment
The Easy-Laser® E975 Roll alignment is designed for replacement and alignment of rolls in, for example, printing presses, paper machines and converting machines.
Take advantage of short downtimes
Thanks to the fact that the system is quick to set up on the machine it can be used during short stoppages to check and if necessary adjust or replace a roll. Where more advanced methods might require that the measuring service is scheduled some time in advance and use contracted personnel, with Easy-Laser® E975 you can do the job yourself. Other methods such as measurement with prisms (E970) along the machine often take significantly longer to prepare. You quite simply have better control over your machine time and increase productivity using Easy-Laser® E975!
High precision is required for the faster machines of today
In order to maintain the quality requirements of the faster machines of the present day, alignment tolerances have needed to be set very tight. This also means that the measurement equipment must also have the greatest possible precision. Only then can the highest quality be assured!
Easier and more reliable measurement method
The system consists of a laser transmitter, a display unit with guiding software and a compact and neat detector unit positioned on the roll. No stand is used to the side of the machine, which eliminates the risk of the reference (laser beam) being moved accidentally. No consideration needs be taken of any machine protection and frames on the side of the machine, since the laser transmitter is positioned on the inside of the roll package. The system's display unit produces a PDF report directly on site. The result can also be transferred to PC.
Pays off quickly
Compared to many competing methods, Easy-Laser® E975 is a cost efficient solution for any company, which means that the investment is quickly repaid through the reduced number of unplanned operational stoppages and longer service lives for wear parts. Maintenance departments and service firms can also extend the measurement system to cover other alignment solutions in the Easy-Laser®-range.
Advantages in brief
• You can keep the maintenance and service work in-house.
• Even short stoppages can be utilized.
• Easier to use than traditional methods such as theodolites.
• A cost efficient solution for any company.
• PDF documentation can be produced directly on site.
• Ensures the quality of produced material.
• Keeps maintenance costs down and extends the service life of wear parts.
- 1 Display unit E-Series E51
- 1 Laser transmitter D22 with tilt table
- 1 Detector E7 (E970 only)
- 1 Detector E2 (E975 only)
- 1 Roll Bracket (E975 only)
- 1 Digital Precision Level E290 (E975 only)
- 1 Bluetooth unit for E7 (E970 only)
- 2 Cables with Push/Push connectors (2 m, 5 m) (E970 only)
- 1 Angular prism (E970 only)
- 1 Parallelity kit (E970 only)
- 2 Tripods
- 1 Magnet Base (E975 only)
- 1 Adapter plate for magnet base to tilt table (E975 only)
- 8 Rods for detector (4x240 mm, 4x60 mm) (E970 only)
- 6 Rods (2x240 mm, 2x120 mm, 2x60 mm) (E975 only)
- 1 Safety strap for laser transmitter
- 1 Manual
- 1 Measuring tape (5 m)
- 1 USB memory stick with documentation and EasyLink software
- 1 USB cable
- 1 Battery Charger (100-240 V AC)
- 1 DC charging cable (E975 only)
- 1 DC to USB adapter (E975 only)
- 1 Hexagonal wrench set
- 1 Shoulder strap for Display unit
- 1 Cleaning cloth for optics
- 1 Carrying case
* We offer Training for all Geometric Measurement systems in our Machinery Installation & Maintenance Training program.
Easy-Laser® E970/E975 Roll Parallelism Accessories
Battery Powered Thermal Printer
With cable and 220V or 110V charger. For connection to all systems with display unit D279. (Printer included as standard in systems D650 and D660.)
Database and documentation software for Windows®. Included in all D-Series Shaft Alignment systems.
D283 Vibrometer Probe
Part No.: 12-0283
For measuring vibration levels (mm/s) and bearing condition (g-value). For systems with “Vibrometer” software in display unit D279.
Notes: Standard “red cable” also needed to be able to connect to display unit. For use with D-series equipment only.
Part No.: 12-0039
The spherical feet can be placed in two different for adaptation to small or large shaft diameters. Used when the shaft cannot be rotated. Mounted with standard chains.
Thin Chain Bracket
Part No.: 12-0412
Used when the space between coupling and machine is limited. Width: 12 mm [0.5"].
Notes: Includes thin chains and ti ghtening tool.
Part No.: 12-0413
For axial mounting on flanges or shafts. With M6 screws working as radial supports, and four super magnets.
Cardan Bracket Set
Part No.: 12-0615
For alignment of flange/offset mounted machines.
Notes: Delivered in plasti c case. For E-series.
Part No.: 12-0013
For direct attachment to shaft or flange. Versatile magnet base with On/Off function and many optional rod mounting possibilities. (Included in system D505/D525).
Notes: Three sides are magnetic.
Allows axial displacement between measuring units to be able to rotate past projecting machine parts. (Included in system D505/525).
Belt & Chain Alignment
Part No.: 12-0411
Used for aligning Belts & Chains (sheaves/pulleys). The Easy-Laser® D160 detector unit can be connected to our standard display unit D279*, which is included in shaft alignment systems D480, D505 and D525. The pulleys’ mutual parallelism is shown digitally with adjustment and shim values for the machine’s foot pair. This unit also allows you to save, print out and transfer the measurement results to a PC, in the same way as for normal shaft alignment.
Notes: *Does not apply to system D450 or D550, which does not have the required software for belt & chain alignment.
D22 Swivel Laser Transmitter
Part No.: 12-0022
Can be used to measure flatness, straightness, squareness and parallelism. The laser beam can sweep 360° (1) with a measurement distance of up to 40 m [130’] in radius. The laser beam can also be angled 90° to the sweep (2), within 0.01 mm/m [0.5 mils/thou].
D23 Spin Laser Transmitter
Part No.: 12-0168
With a power rotating head providing a 360° laser plane. Used together with detector D6. For quick and easy measurement of flatness and plane-parallelism. Measurement distance up to 20 metres in radius.
Notes: Tilt table included.
D75 Laser Transmitter
Part No.: 12-0075
For measuring straightness and spindle direction. M6 threads on ends and sides offer alternative mounting options. Measurement distance - 40 metres. Also available in versions with measurement distance of 60 metres (D75 Long-range).
Notes: With tilting screws for laser beam adjustment.
D75 Truebeam Laser Transmitter
For measuring straightness and spindle direction. M6 threads on ends and sides offer alternative mounting options. Measurement distance: 80 metres.
Notes: Not standard product.
D146 Spindle Laser Transmitter
Part No.: 12-0146
For measuring spindle direction and straightness. Can be used in a rotating spindle (max. 2000rpm). The mounting pin can be fitted at either end, for example, when aligning rod cartridges. Measurement distance: 20 metres.
Notes: An extra mounting pin can be fitted at the laser aperture side, making it possible to align, for example, bar feeders.
Part No.: 12-0005
Reads off the position of the laser beam in two directions (2 axis PSD). Built-in 360° electric inclinometer. A number of mounting holes and threads make alternative attachment possible. Two alternative connectors for connection to display unit and other detectors (serial connection possible)
Part No.: 12-0201
Reads off the position of the laser beam in one direction (1 axis PSD). A number of mounting holes and threads make alternative attachment possible. Two alternative connectors for connection to display unit and other detectors (serial connection possible).
Notes: Only for use together with the D23 Spin Laser Transmitter.
Part No.: 12-0157
Reads off the position of the laser beam in two directions (2 axis PSD). With 360° incliniometers. A number of mounting holes and threads make alternative attachment possible.
Notes: Two alternative connectors for connection to display unit and other detectors (serial connection possible). Diameter 40 mm, length 60 mm.
D116 Measuring Unit (M)
Laser LED and detector in one housing. Reads off the position of the laser beam from another transmitter unit in two directions (2 axis PSD). With 360° incliniometers. A number of mounting holes and threads make alternative attachment possible.
Notes: Two alternative connectors for connection to display unit and other detectors (serial connection possible).
D46 Angular Prism
Part No.: 12-0046
Used when measuring squareness and parallelism. A penta-prism that deflects the beam 90° is integrated in an adjustable housing.
Notes: A. With the rotatable angular prism you can reach the detector at any height on a flange, or on a roll at any height. B. The beam is aligned with the detector using the sled.
Bracket for D75
Part No.: 12-0187
Used for mounting against shaft ends, flywheels etc. Laser beam can point from the bracket or through the bracket.
Notes: With three super magnets.
Magnet Base with Turnable Head
Part No.: 12-0045
Used together with detectors, measurement units and laser transmitters where the unit needs to be rotated on a fixed magnetic foot.
Notes: On/Off button, 360° turnable head with two rod mounting possibilities.
Sliding Bracket with Rotatable Head
Part No.: 12-0137
Available in different designs, with or without magnets, measurement probe and turnable head, depending on measurement application.
Part No.: 12-0269
Used for D22 Swivel Laser Transmitter and D46 Angular Prism. Height 500-2730 mm.
Part No.: 12-0203
For parallelism measurement of rolls. Used with the D22, D46 and 2 tripods.
Notes: Detector E5 also needed.
Easy-Laser® E970/E975 Roll Parallelism Applications
The Importance of Parallelism Measurement
Parallelism measurement is often carried out between rolls and other surfaces in many machines of the paper, metal, converting and printing industries. In the manufacturing industry, the production equipment often depend on rolls as the carriers of the material web. Parallel misalignment may cause the roll to stretch the web unevenly, deform it and sometimes even break it. This can lead not only to quality problems, but also unnecessary machine breakdowns and hours (in worst case days) of costly downtime.
Making sure objects are parallel to each other is also important for a well functioning installation of press machine tables, rails, overhead tracks and metal sheet cutting machines.
Drawbacks of Conventional Parallelism Measurement Methods
Some companies are still using old technology to perform a parallelism measurement. But these methods have numerous drawbacks. Using optical systems such as theodolites or telescope bars is time-consuming, often expensive and doesn’t really do the job. The machine geometry also makes it difficult to use these methods. Machine parts become an optical barrier for the theodolite bar while large distances between surfaces can make the use of telescope bars a real challenge.
Benefits of Laser-based Alignment Systems for Measuring for Parallel
In laser alignment, a red laser beam is the reference to which the parallelism is measured. Compared to old technology, the work is done much faster, easier and more accurately. The laser beam has no weight or volume. The system is compact, flexible and simple to use whenever the need arises. The versatile design allows production teams to solve the manufacturing problems quickly on-site. This will reduce unnecessary machine breakdown and costly downtime. It’s also possible to identify misalignment in time, before there’s a breakdown, and carry out preventative maintenance work. To be able to present documentation of the alignment job is a benefit for many users. Another advantage is that laser systems can be used for many other alignment jobs, such as flatness measurement of wire sections (suction boxes) and shaft alignment of drive units. This makes it a very cost effective investment for the maintenance department.
How to Measure for Parallel with a Laser Beam - Traditional Method
The laser beam is directed along the machine, but perpendicular to the measurement object. The principle for parallelism measurement is based on the beam being deflected at 90° by a penta prism. In this way it is possible to measure a large number of objects on long machines by moving the penta prism along the machine in the direction of the laser beam. The detector is moved to the front and rear end of the measurement object.
A completed measurement shows the mutual parallelism of the measurement objects in relation to the base line or one of the measurement objects, graphically and digitally. Any roll or base line can be used as reference. The Easy-Laser® E970 Parallelism is an example of a system based on this principle.
Introducing a New Method and Detector for Parallelism Measurement
Easy-Laser® is introducing a new measurement system specifically for roll parallelism, the E975 Roll Alignment. The system consists of a laser transmitter, a display unit with guiding software and a compact and neat angle detector unit positioned on the roll. No stand is used to the side of the machine, which eliminates the risk of the reference (laser beam) being moved accidentally. No consideration need be taken of any machine protection and frames on the side of the machine, since the laser transmitter is positioned on the inside of the roll package.
Learn more about the unique Easy-Laser® E970 and E975 Roll Alignment systems here!
Easy-Laser® E970/E975 Roll Parallelism
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