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Posioning System

Posioning System
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Posioning System

Product catalog summary
Introduction
LINTECH specializes in designing, engineering, and manufacturing linear positioning components with over 43 years of experience. They provide both standard and custom systems, emphasizing quality and quick delivery. Their support includes a trained customer service team and experienced application engineers.
Standard Positioning Systems
LINTECH offers a range of standard belt and screw-driven linear positioning tables, as well as rotary tables, designed for various applications with customization options. These are categorized into series with specific specifications.
Custom Positioning Systems
For unique applications, LINTECH provides custom systems tailored to specific motion control needs, leveraging their extensive design and manufacturing experience.
System Types
Available mechanical devices include actuators, rodless actuators, screw-driven tables, belt-driven tables, and high-accuracy tables, each suited for different applications based on thrust force, accuracy, and speed.
Design Considerations
Key factors in selecting a positioning table include bearing designs, drive mechanisms, load capacities, speed, accuracy, repeatability, table size, lubrication, mounting, motor couplings, and environmental factors.
Checklist for Selection
A checklist is provided to guide users in selecting the appropriate table, reviewing critical parameters like bearing designs, drive mechanisms, load capacities, and speed to ensure performance specifications are met.
Linear Bearings
Five primary types of linear bearings are discussed: ball & rod, cross roller, round rail, square rail, and air bearings, each with unique characteristics affecting load capacity, friction, and application suitability.
Drive Mechanisms
The document covers acme screws, ball screws, and belt & pulley assemblies for linear tables, and precision worm gear assemblies for rotary tables, detailing their suitability for different applications.
Specifications and Load Ratings
LINTECH provides maximum capacities for critical components and uses equations and safety factors to estimate the life of a positioning table, aiding in selecting cost-effective solutions.
Safety Factors
Safety factors are crucial in selecting a positioning table to prevent system failure, with recommendations provided for each critical element.
Design Considerations and Load Capacities
Detailed specifications and equations are provided for estimating forces on linear bearings, emphasizing the importance of considering static and dynamic loads when selecting drive mechanisms.
Specifications and Calculations
Formulas for calculating travel life of rotary tables and screw drive assemblies are provided, considering factors like lubrication, speed, load weight, and environmental conditions.
Accuracy and Repeatability
Accuracy refers to the system's ability to make true relative moves, while repeatability is about returning to a programmed location. The document discusses potential errors in linear bearing and structure.
Specifications and Mounting Considerations
Positioning tables should be mounted using all available base mounting holes to ensure stability. Custom interfaces and mounting patterns are available upon request.
Motor Couplings
Couplings transmit motor power to the drive assembly and compensate for misalignment. Proper selection and safety factors are crucial to prevent damage.
End of Travel (EOT) and Home Switches
LINTECH provides mechanical and non-contact switch options for positioning tables, with pre-wired options for easy integration.
Encoders
Incremental encoders, both linear and rotary, can be mounted for precise motion control, providing positional feedback to controllers or displays.
Power-Off Brakes
Electric brakes can be installed for vertical applications or when load locking is necessary, ensuring stability when power is off.
Multi-Axis Systems
LINTECH offers multi-axis positioning systems, with considerations for stacking tables and potential errors like orthogonality and stack-up errors.
Environmental Considerations
Positioning tables must be designed to operate within specific environmental conditions to prevent premature failure, with modifications suggested for various environments.
Motor Sizing and Torque Requirements
Proper motor sizing involves calculating torque requirements based on carriage speeds, acceleration rates, and load weights, with guidelines provided for selecting appropriate safety factors.
Technical Specifications and Dimensions
Detailed specifications and dimensions for various series are provided, including mounting options, load capacities, and material specifications.
Conclusion
LINTECH's positioning tables offer robust solutions for motion control applications, with a variety of customizable options to meet specific operational needs. The document emphasizes the importance of selecting the correct components and configurations to optimize performance and reliability.
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Catalog excerpts

Posioning System-2

LINTECH ® Our local technical support group consists of Automation Specialists located throughout the World. These Automation Specialists are experienced in the use of electronic and mechanical motion control products. They are well trained on the performance capabilities of LINTECH positioning components. LINTECH is constantly designing new products and improving upon the many options available with our standard products. Whether it is a standard or custom positioning system required, visit our website, call, or e-mail us. We look forward to hearing from you. Visit our website, or call us for...

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Posioning System-3

Table of Contents Pages Design Considerations 130 series (screw driven) and 140 series (belt driven) 100 & 110 series (screw driven) and 120 series (belt driven) 90 series (screw driven) 160 & 170 series (screw driven) and 180 series (belt driven) 150 series (screw driven) 200 series (screw driven) 250 series (screw driven) 550 series (belt driven) 300 & 400 series (rotary tables) Inside Back Cover

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Posioning System-4

Standard Positioning Systems Standard Positioning Tables LINTECH manufactures a wide range of standard belt & screw driven linear positioning tables, along with standard rotary positioning tables that operate in a wide range of applications. We have been manufacturing standard positioning tables for over thirty years. We pride ourselves on providing a wide range of options available for each of the different table series in this catalog. This allows the machine designer an opportunity to select a standard positioning table instead of what might be a custom system. Each of our table series is...

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Posioning System-5

Standard Positioning Systems Overview - Belt Driven Linear Positioning Tables Table Series Dynamic Load Capacity Linear Bearing Type Unidirectional Repeatability Drive Belt Width Maximum Axial Maximum Speed Travel Lengths Recirculating square rail Recirculating square rail Recirculating square rail Overview - Rotary Positioning Tables Dynamic Load Capacity Rotary Bearing Type Drive Type Through Hole Unidirectional Repeatability Table Top Diameters inches Table Series angular contact worm gear worm gear

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Posioning System-6

Custom Positioning Systems Custom Positioning Systems Sometimes a standard positioning system is not the right choice for a particular motion control application. Nor is it possible, or practical, to have the system built in house by your own design team. Let LINTECH take a look at your special requirements. LINTECH has been designing and building custom positioning systems for over 30 years. We can use our many years of experience to help you select the right approach to a unique motion control problem. Fill out our application guide on page A-45 and fax it to us or visit or website. We stand...

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Posioning System-7

Custom Positioning Systems X-Z vision inspection station mounted on steel sub plate Belt driven long travel X-Y-Z inspection station with aluminum support structure X-Y machine assembly process with steel support structure

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Posioning System-8

Custom Positioning Systems X-Y-Z high accuracy chemical coating process mounted on granite & aluminum support structure Two individual X-Y axes for laser cutting process supported by steel structure X-Y axis water jet cutting process with open frame steel support structure

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Posioning System-9

Custom Positioning Systems X-Y belt driven infared inspection station supported by movable aluminum structure X axis machining station with steel support structure X-Y laser marking assembly with granite surface support structure

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Posioning System-10

Design Considerations System Types What kind of Positioning System do I need? There are several different mechanical devices that can be chosen for a given motion control positioning application. These devices can have differences in the load carrying components, drive mechanisms, support structures, physical construction, along with numerous other options. All these parameters lead into a mechanical device that has certain performance specifications. Before selecting a mechanical device, one needs to understand these performance specifications, along with the pro's & con's of each mechanical...

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Posioning System-11

Design Considerations Items to Review When selecting a positioning table, each of the following items should be reviewed thoroughly by the user. Some items will not be of major importance for a specific application. However, by reviewing each and every item, a positioning table can be selected that will give the required performance over the life of the system. Bearing Designs - Linear (ball, cross roller, round rail, square rail, and air) bearings, along with rotary bearings. (See pages A-10 to A-12) Drive Mechanisms (acme screws, ball screws, belt, and worm gears). See pages (A-13 to A-15)...

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Posioning System-12

Design Considerations Bearing Designs Bearing Designs The main function of a positioning table's linear, or rotary bearing is to carry the user mounted load while the table is in motion. The bearings are also a key element in determining the overall positioning table accuracy and repeatability. Each bearing design provides advantages and disadvantages in load capacity, size, cost, stiffness, and friction. Selecting a positioning table with the right bearing design for a given application is essential. Linear bearings are also a key element in determining how straight and flat a linear positioning...

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Posioning System-13

Design Considerations Bearing Designs Round rail linear bearings use four bushings with recirculating balls which are mounted within either two, or four pillow blocks. The pillow blocks are then mounted to the carriage, which rides on two round, hardened & ground shafts (which are mounted to the base). Travel lengths are only limited by the available shaft and base length. The point contact between the recirculating balls in the bushing and the round shaft produces a very low friction positioning table. The greater number of balls contacting the ground shaft over a ball & rod type table, provides...

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Posioning System-14

Design Considerations Bearing Designs Air bearing linear tables create a small air cushion between the table carriage and the table base (guide rail). This provides a non-contact linear bearing system that is rigid, friction free, and cog-free. Using a very accurate guide rail (rectangualr or square) can produce excellent flatness & straightness specifications. Typical drive mechanisms include high accuracy acme screws and linear motors. Using a high accuracy non-contact linear motor drive system, and a high accuracy non-contact linear encoder, can produce a very accurate positioning table, one...

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