EMAT

EDCO USA Modular Automation Tooling

EMAT provides an efficient way to construct automation or robotic tools with minimal design time. Rugged, lightweight, anodized aluminum EMAT components adjust easily to conform to the work-piece then are securely tightened with standard hand tools.

Typically, a tool is constructed with a horizontal beam of either round tubing or t-slot structrual extrusion plus several side spars for attaching mono-grip orbital arms, wrist and hands with appropriately selected options that provide virtually unlimited design freedom.

EMAT systems may be set up using a large centralized vacuum pump to supply several vacuum cups but much greater system reliability can be achieved via the redundancy of a discrete system. A discrete system with small independent compressed air-powered vacuum pumps at each vacuum cup is the preferred method since a poor seal at one cup can't affect the vacuum level at any other cup. A discrete system also allows splitting the system into several independently controlled zones so that a wider variety of part sizes and shapes can be efficiently handled.

EMAT provides simplicity, adjustability, rigidity, serviceability, energy conservation, coaxial ejector technology and cost-effectiveness in a readily available package.

EDCO USA Vacloc

Fail-safe operation is provided by integral Vacloc valves in leak-free systems. If the vacuum source is lost, or is purposefully interrupted as in an eneryg-saving system, the Vacloc will trap vacuum for an indefinite time period so the load can be lowered to a safe position.

Modular Vacloc vacuum check valve and sequence blow valve are instealled in a cartridge body for perfect alignment and valve seats are electroless-nickel plated for long life.

A one-piece work-attachment body eliminates secondary vacuum leak paths and the potential for lossening or separation during operation.

Energy conservation is provided by efficient high-flow coaxial ejector technology which is also capable of passing more debris than competitive designs without clogging. In addition, there is no flap valve to stick and affect performance.

High-efficiency sequence valve remains fully open during blow-off so chattering, humming and squealing noises are eliminated. Compressed air consumption is reduced significantly by using lower air pressure during the blow-off mode.

An internal orifice balances air flow so that several Vacloc blow-off ports may be supplied and controlled by one solenoid valve.

Integral energy-saving controls provide a dramatic reduction in compressed air usage by only turning the vacuum pump on as needed to maintain the selected vacuum level.

EMAT tooling is easily reconfigurable to meet changing application requirements.

Fast and simple single-bolt arm adjustment (mono-clamp) and tri-arc grip provides superior positional security via higher clamping forces.

Modular construction allows swapping hands, changing arm lengths, changing vacuum cups or duty attachments and repositioning or ading slide-on or clamp-on, orbital arms to reconfigure the tool whenever necessary.

Unlimited multi-axis arm positioning - configure wrists with either an orbital app-core pin or a ball swivel for greater mobility to conform to part contours.

Coaxial Venturi Technology

Proprietary EMAT coaxial ejector vacuum pumps are optimized to provide high vacuum flow and reduce compressed air consumption. There are no flap-valves to swell up or stick due to ingesting die lubricants and simplified design is tolerant of debris.

System Explanation

An EMAT arm is analogous to a human arm. The shoulder joint is either a slide-on or clamp-on orbital connection to a round structural tube. The arm extends from the shoulder to a wrist which can provide either an orbital (apple-core pin) or a swivel (ball) connection to the hand. The hand consists of a vacuum cup plus a work-attachment that can be configured to perform several functions such as admitting or producing vacuum, additional compliance (level compensator) or greater conrol via Vacloc or energy saving controls.

Selection Guide

Begin at the work-piece and select components in sequence back to the main beam.

1.) Select a vacuum cup style and size based on the weight of the work piece, the area available and the work-piece surface.
2.) Select a work-attachment based on your system requirements for function and contorl.
3.) Select either an orbital apple-core pin wrist (A) or a swivel ball wrist (B).
4.) Select the arm length based on how far the vacuum cup will be positioned from the mounting spar.
5.) Select a shoulder joint to attach to the spar. The slide-on style costs less but isn't as convenient for reconfiguring the tool. The hinged clamp style can be mounted, or added, anywhere along the spar length without have to disturb other arms.

Components in steps 1-5 can be coded into a single convenient part number.

6.) Select spar tubing diameter and lengths based on where vacuum cups must be positioned in the tool layout.
7.) Select appropriate structural adaptors to connect spars to the main beam.

Selection Guide: Complete Arm Assembly

Complete arm assemblies can be ordered using the following part number layout.

Work Attachment - Cup - Arm