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MechCaL Boosts Production Processes with Automation Technology

6th September 2016

  

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MechCaL  (0.02 MB)

MechCaL has invested in cutting edge technology to enhance the productivity, efficiency and production performance of their manufacturing facility. They have procured a Yaskawa Motoman Robot to carry out several vital tasks that will enhance the already cutting edge design of MechCaL’s advanced mining ventilation fans.

Production environment requirements in the field of mining ventilation are very high. Not least, strict cleanroom criteria, testing facilities and staff safety present several industry specific challenges, among others. In addition to these challenges, in order to survive in the highly competitive mining market, companies also need to make sure that they increase their production effectiveness and minimise costs.

As part of their ethos to remain the leaders in innovative and technologically advanced ventilation products, MechCaL’s procurement of the Robot will ensure that they stay at the forefront of meeting production requirements while translating growth in their manufacturing capacity to cost savings, reduced lead times and superior product delivery for their clients.

The Robot has been installed within a newly constructed ‘robot cell’ at MechCaL’s manufacturing facility in Pretoria. The qualified engineers on MechCaL’s design and manufacturing team will be using the Robot for cutting the plugs that are required for producing moulds and also for cutting moulds directly. The Robot’s multi-station capability will be used to trim and drill composite fan parts with greater accuracy and faster output compared to the previous manual process that was carried out using jigs. 

Manufacturing large three-dimensional blade shapes and structures requires large moulds. Previously, MechCaL outsourced the manufacture of the necessary mould plugs to suppliers that used CNC routers or milling machines.  Having this capability in-house, says Michael Minges, Principal Engineer and Director of Operations at MechCaL, means that their overall production costs can be lowered. “Outsourcing the mould plug manufacturing was done at considerable cost and involved lengthy lead times. With the addition of the Yaskawa Motoman Robot, all of this can now be done in-house with a much faster turnaround time and a reduction in cost,” he says.

According to Minges, increased efficiency will come from the Robot’s capacity for multiple workstations that will allow for the finishing of composite parts without supervision which, once set up, can be run overnight. “Multiple workstations will allow us to trim and drill many composite parts in a single go. By removing outsourcing from the production process, MechCaL will have full control of its tool making and have a quicker turnaround time from design to production and thereby improve delivery of products,” says Minges adding that this gives MechCaL added production capacity which in turn results in enhanced output.

In addition to increased efficiency, the Robot’s capabilities will boost the quality of MechCaL’s finished products. Minges explains that the Robot receives its input from models generated in Engineering CAD software. Using the standard G Code, all the three dimensional information is transmitted to the Robot and, depending on the cutting speeds, very high accuracies and tolerances can be achieved.  This will allow MechCaL to produce accurate and high quality tooling.  “Using its accuracy and 3D operational capability will improve the trimming quality and allow us to design composite parts with much tighter tolerances while eliminating the factor of human error.”

Minges says that in addition the abovementioned functions, there are numerous additional ways that the Robot will be able to improve MechCaL’s operations. “The Robot can be reconfigured, with additional capital injection, for tooling and many other functions extending its capabilities to machining aluminium, welding, painting and sanding etc. We are also excited to use the Robot to enhance the skill set of some of our staff and provide them with new capabilities and expertise.”

In order to accommodate the Robot within their factory to the required industry standards, MechCaL constructed a dedicated Robot Cell. The cell will contain any excess material that the Robot creates during its operations, such as e-glass, carbon dust, wood flakes etc., to protect the factory environment. Containment of these particles means that they can also be extracted and disposed of more efficiently. According to Minges, the moving Robot arm also exerts considerable force when in operation and could injure someone. The cell therefore has automatic shutdowns linked to the opening of access doors to maintain the safest possible working environment. 

The main advantage of the addition of the Robot for MechCaL’s clients would be reduced costs. This is mostly due to a reduction in scrap percentage – as a result of the Robot’s accuracy – and removal of the dual margins of outsourcing and in-house finishing. Clients will also benefit from faster turnaround times from concept to product delivery along with improved quality on tooling and the final product. The Robot will also provide MechCaL’s engineers more scope on innovative designs which will translate to more efficient fan performance.

Minges says that the procurement of the Robot was part of MechCaL’s long term goals to achieve accelerated growth in the design, manufacture and supply of composite parts for large industrial fans to the international market through its partnership with MechCaL’s majority shareholder, TLT Turbo (GmbH). “The Robot will take MechCaL to the next step in the delivery of innovative high end ventilation products and it will maintain our status as a leader in the ventilation industry as a designer, manufacturer and supplier of high efficiency, high quality and cost effective products not only in South Africa but to the rest of the world.”

Edited by Creamer Media Reporter

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