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ACCURO Leak Detection Machine2021-08-17T16:39:23+00:00

HELIUM LEAK DETECTION AT A FRACTION OF COST

Accuro is a mass spectrometry leak detection system capable of repeatably finding leaks down to 1.0e-03 mbarL / s using helium or hydrogen.

It is a leak detection system that is not vulnerable to changes in temperature or volume which is a common problem in a pressure differential system and that generates false rejections causing high levels of scrap.

I want a budget

The Problem:

PERFORMANCE DIFFERENCE

There is a large gap in performance, repeatability and reliability between vacuum chamber leak detection machines versus all other leak detection solutions.

DIFfERENCe in price

The investment for a vacuum chamber leak detection machine is 6x against differential pressure solutions, and 4x against localized leak solutions.

THE SOLUTION, our Leak Detection System Accuro…

how does acurro work?

Step 1

The product is placed in a tooling inside the chamber and the operator starts the cycle, the door can be manual or automatic.

Step 2

The system performs a preliminary air / vacuum leak test to identify if the product does not have a very large leak.

Step 3

The product is pressurized with pure helium inside the leak test chamber.

Step 4

In the event of a leak, the helium will escape from the product and will mix with the atmospheric air in a homogeneous way by means of turbines that are inside the chamber.

Step 5

The leak rate is accurately quantified using a mass spectrometer that is connected directly to the chamber.

Step 6

The system monitors the leak rate and if it is higher than the limit, the test ends and the operator must confirm the rejection. If the leak rate is below the limit the test ends and the operator can remove the product.

Why choose accuro?

Sensitivity

Accuro is capable of repeatably finding leaks down to 1.0e-03 mbarL / s using helium or hydrogen.

Automation

We automate the system according to your needs and budget. Either manual, semi-automatic or automatic.

repeatability

Accuro offers a Cpk of 1.45 which is higher than the minimum industry standard of 1.33. Even in products from a thermal process or that expand their volume during the test.

Flexibility

Accuro tools and tooling are easily interchangeable and the test chamber can be easily replaced to incorporate new products with different sizes.

safety

Emergency stops (Hardwired E-stops) in front and rear, access control for machine parameters in HMI. Pressure relief valves on all chamber and service lines.

CONTROLS OR TECHNOLOGY

PLC AB or Siemens with 20% scalability for I / O (I / O) assignment, 6 ”HMI Touch Screen, Traceability System, Industry 4.0 Add-ons.

KNOW HOW TO REDUCE YOUR SCRAP TO 50%

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MAKE YOUR SYSTEM EVEN BETTER

AVAILABLE OPTIONS:

  • Double leak detection chamber

  • Reject hopper for defective product

  • Identification / marking system of good product parts

  • Barcode scanner and traceability

  • Automatic chamber door

  • Helium Recovery System

  • VESView – Web monitoring of your system

CASE STUDY
TESTING AUTOMOTIVE RADIATORS

Automotive radiators with a production demand of 60 radiators per hour, are tested in a pressure differential system at a leak rate of 4sccm to 2.5barA.

When installing the system, there were very high levels of rejection and inconsistency in the leakage values.

In order to improve the situation, the customer implemented a cooling area for the radiators prior to the leak test, installed a clean room around the leak machine, extended the leak test time, calibrations were performed on the system. every hour and the products that were rejected were retested.

By migrating to Accuro, the radiators could be tested directly at the exit of the welding process, the clean room was eliminated, the equipment is calibrated once a shift and the production of 60 pieces per hour was achieved with a double chamber system.

RETURN ON INVESTMENT CASE STUDY

Investment was recovered in:

27 month

  • The m2 destined for temporary storage were eliminated, being able to be used for another purpose.

  • The clean room was eliminated and reused in the packing area.

  • The scrap of the production line was reduced from 14% to 5%

  • Eliminated the need to retest parts.

  • The production rate of 60 pieces per hour was achieved in a sustainable way.

Calculate my ROI

WE WORK WITH LEADING COMPANIES

They have already proven our quality and innovation

DO YOU HAVE A PROJECT IN DOOR? LET’S TALK

Whether you want to know more about Accuro or you already have a specific need in leak detection. Write to us and we will contact you in less than 24 hours.

«Accuro is the product of listening to our customers. It offers all the benefits of a vacuum chamber system at a fraction of the cost and is the best solution to products that come from thermal processes. Allowing to reduce waste, better utilization of factory space and lower labor costs. The machines are modular, flexible and ready for the future.»

Rodolfo Gutierrez

Managing Director – VES Mexico

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Frequent Questions

How do I make sure that the Accuro results are reliable?2021-07-13T16:59:01+00:00

Accuro incorporates an ISO17025 certified calibrated leak which is manufactured to the same test specifications as your product. Accuro performs a calibration cycle every shift and ensures that the result is within the limit.

What is the leak detection range of Accuro?2021-07-13T16:58:19+00:00

Accuro is capable of repeatably finding leaks down to 1.0e-03 mbarL / s using helium or hydrogen.

How does Accuro detect a helium leak?2021-07-13T16:57:44+00:00

Accuro quantifies the leak rate by means of a mass spectrometer which is in charge of quantifying the helium particles that escape from the product during a certain time.

How does the variation in temperature and volume of the product affect the leak test result?2021-07-13T17:01:45+00:00

Boyle’s Law states that, at a constant temperature, the volume of a fixed mass of gas is inversely proportional to the pressure it exerts, that is, if the volume increases, the pressure decreases, and if the pressure increases, the volume decreases. In the leak test, if there are alterations in the temperature of the product or in its volume, there will be a variation in the pressure generating false rejections.

Accuro has the ability to detect leaks in the product regardless of temperature or volume variation since the detection principle is by mass spectrometry and not by differential pressure.