Types of Tungsten Carbide End Mills/Drills and Diagrams Ⅸ
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- Category: Tungsten Information
- Published on Saturday, 10 October 2015 14:20
- Written by zhihua
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In part 8, we know about Plastic Cutting-Square, 2 Flute Upcut, Plastic Cutting-Square, 0 Flute Upcut, etc. And here in this part we will go on showing more diagrams of tungsten carbide end mills.
Here we show more types of tungsten carbide end mills/Drills, such as Square End Mills-Long Reach, Square End Mills-Miniature, etc., each type has different shape and application according to it's own work piece. From the below diagrams with the brief names we can have a direct knowledge on the basic figures and their respective functions.
(To be continued. This article is divided into 11 parts and this is part 9, for part 8 please refer to:http://news.chinatungsten.com/en/tungsten-information/79218-ti-10121; for part 10 please refer to:http://news.chinatungsten.com/en/tungsten-information/79274-ti-10127)
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Tungsten Darts Quotations Ⅰ
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- Category: Tungsten Information
- Published on Friday, 09 October 2015 18:04
- Written by yingying
- Hits: 368
Some prize moments of genius from tungsten darts' most excitable commentator - Sid Waddell.
There are some interesting tungsten darts quotations:
"That's the greatest comeback since Lazarus."
"When Alexander of Macedonia was 33, he cried salt tears because there were no more worlds to conquer. Bristow's only 27."
"If we'd had Phil Taylor at Hastings against the Normans, they'd have gone home."
"He's as cool as a prized marrow!"
"You couldn't get more excitement here if Elvis Presley walked in eating a chip sandwich!"
"He's playing out of his pie crust."
"He looks about as happy as a penguin in a microwave."
"He's been burning the midnight oil at both ends."
"Tungsten darts players are probably a lot fitter than most footballers in overall body strength."
"Trying to read Reyes's mind is like trying to read the mind of Jabba the Hutt"
"These guys look calm but inside they are as nervous as a vampire who knows there's a sale at the wooden stake shop in the morning."
"That was like watching Popeye when he found his spinach!"
"He's as twitchy as a frog in a blender"
"He's going like the Loch Ness Monster with a following wind!"
"Keith Deller is like Long John Silver - he's badly in need of another leg."
"He looks as happy as a scorpion who's just had a pedicure!"
"Eyes like a pterodactyl....with contact lenses"
"Cliff Lazarenko's jumping up and down like a gorilla saying "give me back my banana!"
On Bobby George - "He's like a Sherman tank on roller skates coming down a mountain!"
"He's twitching more than a one legged ferret!"
"He's moving with the purpose of a Panzer Division"
"He may practice 12 hours a day, but he's not shy of the burger van!"
"He's like Jack the Ripper on a Friday night."
"He's got one foot in the frying pan and one on thin ice."
"Tarantino re-writing Gunfight at the OK Corral couldn't have done any better than this."
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Effect of TiC in Copper-tungsten Electrodes
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- Category: Tungsten Information
- Published on Friday, 09 October 2015 16:56
- Written by xiaobin
- Hits: 400
Due to the high thermal conductivity of Cu, and the better spark erosion resistance, low thermal expansion coefficient and high melting temperature of W, copper-tungsten electrodes have been widely used for machining die steel and tungsten carbide work-piece. The materials normally used in EDM electrodes are various types of copper, graphite, tungsten, brass and silver. But copper-tungsten has better properties. The low melting point of Cu reduces the resistance to electrode wear.
At high tungsten content, there is porosity in the liquid phase sintered electrode due to the insolubility between the Cu and W. This greatly impedes densification during the solution-reprecipitation stage of liquid phase sintering. Hence, this makes it necessary to introduce another material with high melting point. Materials having good electrical and thermal conductivity with a high melting point are used preferably in copper-based electrodes to resist electrode shape-loss.
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Effect of TiC in Copper-tungsten Electrodes II
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- Category: Tungsten Information
- Published on Friday, 09 October 2015 17:01
- Written by xiaobin
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Titanium carbide (TiC) is an extremely hard refractory material with high melting temperature, and high thermal shock and abrasion resistance. It is used mainly for powder metallurgical parts including cutting tool tips, dies, wear parts and resistant coating. In industry, the manufacturing of Cu-W composites is usually done through infiltration of Cu into a porous, pre-sintered tungsten compact, or through the liquid phase sintering of compacts pressed from mixed powder.
In some researches, Cu-W/TiC was investigated and fabricated through liquid phase sintering. In is reported that the additive metals (iron, cobalt and nickel) can enhance densification in the liquid phase sintering of Cu-W. In order to increase the densification of the Cu-W matrix, nickel (Ni) was introduced. In addition, the densification of Cu-W/TiC sintered electrodes can be improved by the addition of Ni. However, due to the insolubility of Cu, W and Tic, and the amount of Cu apparently reduced by the cold welding in ball milling, porosity cannot be avoided. Nevertheless, with increasing TiC, the distribution of the particle size becomes narrow.
More information about effect of TiC in copper-tungsten electrodes click here:
http://news.chinatungsten.com/en/tungsten-information/79227-ti-10089
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Tungsten Alloy Cubes
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- Category: Tungsten Information
- Published on Friday, 09 October 2015 15:40
- Written by yanna
- Hits: 290
With its high density, tungsten alloy is the ideal metal for military defense. Tungsten is non-toxic, and environmentally friendly material. Tungsten alloy cubes for military defense can easily replace lead in most cases.
Having more concentrated weight means having more control to achieve the center of mass that you are targeting. Owing to its great hardness and resistance to high temperature, tungsten has been increasingly adopted in military defense increasingly today. Especially the tungsten alloy cubes, is often produced in various sizes fit to different military defense, such as: shot gun, armor piercing bullets, penetrates armor, mutilate tanks, self-propelled guns, armored vehicles, ships, aircraft, or any other armored target and so on.
Advantages of Tungsten Alloy Cubes for Military Defense:
1, High-density
2, High absorption capacity against X-rays and gamma rays
3, Good modulus of elasticity
4, High hardness
5, Environment protection standard
Tungsten Carbide Manufacturer & Supplier: Chinatungsten Online - http://www.tungsten-carbide.com.cn
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