Ireland's Electrical Magazine 88 Jan-Dec

POWER SUPPLY

POWERDISTRIBUTION

RITTAL IRELAND’S PERFOREX MILLING MACHINES PROVE TO BE EFFICIENT AND EFFECTIVE... TheABCofmilling

T he task of machining enclosures, housings and mounting plates takes switchgear manufacturers a lot of time if they have to conduct the work by hand. It can easily add up to four hours or more, reading plans, marking out holes, tapping threads, deburring cut-outs, and then cleaning the machined parts. The Perforex MT has an automatic tool changer and tool magazine that can hold up to 21 tools. It takes care of all work in a single pass, without operators having to intervene, and can machine all materials used in switchgear, such as steel, stainless steel, aluminium, copper, and plastic. Enclosures made of stainless steel can be machined better and more efficiently on the Perforex LC. State-of-the-art milling machines can cut machinery time by up to 75% and the savings are even more impressive when it comes to

“The Perforex MT has an automatic tool changer and tool magazine that can hold up to 21 tools.”

laser machining systems, which cut the processing time for steel enclosures by up to 85%. With the right accessories, panels can be clamped in place to reduce vibrations and bulging. The result is that tools last longer. Three tips for clamping on the Perforex MT Tip 1: Clamp components to minimise vibration Clamping has a major influence on the service life of milling tools as wear occurs at the point where the cutting edge of a milling tool comes into contact with the material it is machining. Product Manager for Power Distribution Systems at Rittel, Mark Guest recommends ensuring that components are securely clamped in place, which reduces relative movement between

the milling tool and the component. “Use as many clamping elements as possible, such as manual clamps and pneumatic clamping elements.” Mark said. Tip 2: Adjust feed flexibly In general, the faster the speed of milling tools, the shorter the service life, and the lower the feed speed, the longer the service life. Feed should therefore be adjusted to requirements. Tools

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