McRaes Global | Hydraulics, Engineering, Controls
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INDUSTRIAL

Our experience and flexibility across many industrial segments has seen McRaes Global become the go-to partner when our customers experience a high level hydraulic and control issue. We take a collaborative approach in working alongside our customers to ensure our solutions exceed our customer’s expectations. We have worked alongside industry leaders in the steel, forestry and timber, civil and construction, cement, plastics and manufacturing industries to resolve longstanding challenges to improve plant efficiencies.

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Our team has many years of experience in applying solutions within the following industries:

  • Steel
  • Cement
  • Mining
  • Civil and Construction
  • Plastics
  • Sawmilling and Timber Processing
  • Forestry
  • Food and Beverage
  • Packaging

Project example: Adding functionality to a plastic injection moulding machine

An example of our flexibility is shown in the plastic industry where we designed a solution that would provide additional functionality to an existing plastic injection moulding machine. The existing machines were operated by electromechanically powered actuators and additional functionality was required for the opening and closing of the moulds. The solution was provided through a mobile unit that was designed and manufactured to operate auxiliary cylinders on multiple plastic injection moulding machines in a clean room environment.

Project example: Platen upgrade on a 300 tonne extrusion press

At the beginning of 2014, McRaes Global was engaged to upgrade the Platen on a 3600 tonne extrusion press. As a part of the overall upgrade, we redesigned the hydraulic control system to confirm to the upgraded operating parameters. This included an upgrade in the manifolds for the control circuit, the manufacture and installation of an auxiliary hydraulic power unit and the installation of 300 metres of pipe and tubing.

Project example: skin pass surface preparation system on NZ’s largest Steel mill.

McRaes Global has designed, manufactured and commissioned a skin pass surface preparation system on a continuous process galvanising line in New Zealand’s largest steel mill. This project eliminated costly break­downs, reduced wastage and improved the quality of the finished product. The Power Unit was specifically designed to operate two high tonnage cylinders, controlling and powering finishing rollers to obtain a finished surface on a steel product line. The electronic closed loop servo valves control system fed by digital operated pumps, synchronised the movement of two high tonnage cylinders. When the desired height is obtained the pumps switch over to a pressure controlled system thereby obtaining the required force. One of the unique features of this design was the development of a control system that can change from position to pressure during the metal coating process.

Projects

McCONNELL AND DOWELL + WHANGAREI DISTRICT COUNCIL: LOWER HATEA BRIDGE

BUILDING 906 HYDRAULIC PIPEWORK INSTALLATION

SLUDGE PUMP - DESIGN AND MANUFACTURE

SKIN PASS UPGRADE OF POWER UNIT

ALUMINIUM EXTRUSION PRESS UPGRADE

EDGE POWER UNIT

AUXILIARY POWER PACK FOR THE PLASTIC INJECTION MOULDING INDUSTRY

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Auckland

59 Lady Ruby Drive
East Tamaki
Auckland 2013

Freephone 0800 255 525
Phone +64 9 277 5287
Fax +64 9 277 5163

Bay of Plenty

21B Old Taupo Road
Whakarewarewa
Rotorua 3010

Freephone 0800 255 525
Phone +64 7 349 6779

Whangarei

279B Port Road
Port Whangarei
Whangarei 0110

Freephone 0800 255 525
Phone +64 9 438 4107

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