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Metal machining video: Chip formation in indexable drilling

Posted by Alan Hillier on Nov 1, 2018 11:52:00 AM

 

 

 

 Video © Sandvik Coromant. Mirage has no connection with may adverts which may appear during the video.

This video is brought to you by kind permission by Sandvik Coromant. As a leading manufacturer of carbide inserts, they're well placed to offer sound advice and insight into machining best practice. 

Understanding chip formation when using indexable drill inserts can increase drilling effectiveness when carrying our on-site project work, or repeatable operations in a manufacturing environment.

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Topics: portable machine tools, drilling

In Focus: HT Portable Drilling Machines

Posted by Alan Hillier on Oct 15, 2018 1:02:00 PM

 

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In this 'In-focus' article we take a look at the HT range of portable drilling machines.

If you mention portable drills to someone on the street, they’ll most likely think of the electric hand held type used for DIY, or the pneumatic kind used in workshops and factories. But these shouldn’t be confused with the Mirage HT range of portable drills.

Products in the Mirage HT range are designed for the toughest of on-site metal drilling jobs in industries such as the oil & gas and power generation sectors.

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Topics: drilling

Infographic: Components of a portable drilling machine

Posted by Alan Hillier on Apr 25, 2018 11:15:00 AM

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The technology used in portable drilling machines is relatively straightforward. But that doesn’t mean you shouldn’t take time to choose one carefully. If you understand how they’re built and what each component does, you’ll be in good shape to choose an appropriate machine that will give you many years of trouble free use across a diverse range of projects.

With this in mind, we’ve created an infographic guide to the Mirage HT50 drill, which is a heavy duty, high torque portable drilling machine used for general on-site metal drilling projects. Take a look at our infographic to discover how it works.

For a quick snapshot take a look the image below, or download in PDF format. Click here to download the diagram in PDF format.

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Topics: drilling

In Focus: VHT gate valve drilling machines

Posted by Alan Hillier on Feb 15, 2018 11:04:00 AM

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The VHT series of machines has been designed for wellhead machining applications, such as when gate valves are seized. When this happens, one solution is to fit a new valve on top of the defective one and to machine a hole through the seized slab gate, allowing the product to flow through.

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Topics: hot tapping, master valve, valves, drilling

Why use a spade drill with portable drilling machines?

Posted by Alan Hillier on Nov 1, 2017 9:01:00 AM

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Spade drills used for heavy duty hole creation are very different to normal twist drills. They comprise of two parts and deliver several advantages for in-situ machinists and for manufacturers carrying out repeat production runs.

The main advantage is that a spade drill includes a replaceable cutting blade. This is secured in a fluted holder which can be conveniently replaced when it reaches the end of its usable life. There are many other advantages too, but also a few drawbacks to be aware of.

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Topics: On-site machining, drilling

   

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