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Machining Tips from Dormer - Threading

Posted by D.P. on

When forming a thread, the tapping hole size depends on the work-piece material being drilled, the cutting conditions selected and the equipment used.

If material is pushed up at the thread entry by the tap and/or the life of the tap is too short, select a slightly larger drill diameter. If the profile of the thread formed is insufficient, then select a slightly smaller drill diameter.

View our DORMER PRAMET Drill and Tap tools!


Have you ever used automatically adjusting toggle clamps?

CHARACTERISTICS:It adjusts automatically according to the thickness of the work piece. Clamped with the same repeatable force anywhere within its ½” automatic adjustment range. Ideal for workpieces for various sizes of parts from the same family or any other application in which the size of the workpiece can vary. It enters the same space and provides the same clamping force [...]

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Get to know Carr-Lane's Locking Clamping Pins

Locking Clamping Pins are similar to standard Clamping Pins, except that the pin body is positively retained in a locking bushing. In fully retracted position, the bushing's spring clip snaps into the pin's radial groove. This holds the pin fully retracted by spring force and positively prevents removal. Spring pressure also holds the pin in [...]

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Have you used Carr-lane’s Horizontal mini V Blocks to position your work?

Carr Lane provides a wide assortment of modular supports and modular locators shown designed for use in our modular-fixturing systems, that are also useful in many other applications. All Carr Lane modular supports and locators are proudly made in the USA.Mini horizontal V Blocks are extremely versatile locator for cylindrical workpieces. Locating surfaces are precision ground and accurately qualified in relation [...]

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Drilling ferrous and non-ferrous metals

The performance of the drill bits depends on their design, composition and the type of material they will drill. Several factors will determine which is the most suitable drill bits according to the material, be it steel, copper, zinc, aluminum, brass, etc. This is mainly due to the characteristics that ferrous metals have, unlike non-ferrous [...]

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Are you using the correct tap for your application?

Taps are mainly made of the following 3 materials: High Speed SteelCarbidePowdered MetalIn addition to the different materials, there are several coatings depending on what is the requirements in your application.Know which is the most suitable material for your working conditions with the following descriptions.H.S.S. TapsHigh Speed Steel (H.S.S.) has been one of the most popular types of taps because it maintains its dimensions [...]

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Modular Fixture Systems

Modular FixturesModular fixtures are ideal for temporary fastening. You can use all of the modular components for occasional jobs, or short runs or prototypes. It is also used for testing fixtures to see if they’ll have an adequate performance of the design.The components are available in standard and heavy sizes. The plates and blocks have holes at regular distances. You can use [...]

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How to deburr your sheet metal edges

Without a doubt, you need to remove burrs from your sheet metal edges. When you have smooth edges on your metal sheets, you’ll be able to manipulate them in a safer manner. By removing the edge burrs we reduce the chance of someone getting hurt.We can remove our sharp edges with a manual deburring tool, [...]

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Why do carbide end mills break or wear out?

Why do carbide end mills break or wear out?When speaking with most our customers, they request to solve one or two problems with their end mills. They either break the cutting edge on their tool or the edge wears out prematurely.Up next we’ll show you 8 causes of this 2 problems and their possible solutions.Breakage:Wear:

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​Toggle Clamps: Holding capacity & clamping force

Toggle Clamps: Holding capacity & clamping forceToggle clamps have specifications in terms of holding capacity and clamping force. It’s important to distinguish the difference between these two concepts and to know how they are measured in order to make the best decision when choosing clamps for each application. [...]

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