Tungsten Carbide Milling Cutter Milling Introduction

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 17:28
The two basic tungsten carbide cutting tool types used in metalworking are the single-point and multi-point designs. Fundamentally, they are similar. By grouping a number of single point tools in a circular holder, the milling cutter is created.
 
Milling is a process of generating machined surfaces by progressively removing a predetermined amount of material from the workpiece, which is advanced at a relatively slow feedrate to a tungsten carbide milling cutter rotating at a comparatively high speed. The characteristic feature of the milling process is that each milling cutter tooth removes its share of the stock in the form of small individual chips.
 
Tungsten Carbide Milling Cutter
 
 
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Tungsten Carbide Indexable Cutting Tool’s Productivity Advantages

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 16:52
Tungsten carbide indexable cutting tool is popular with many cutter users mainly due to its advantage in productivity. Using tungsten carbide indexable cutting tools to replace solid tungsten carbide cutting tool can greatly shorten cutting edge replacing time, and thus optimize the machining time. For instance, it would take about 30 minutes to replace solid tungsten carbide drill bits, while it would take only 1～2 minutes to replace drill tip before restarting machining if an indexable drill bit is used.
 
The shortening of the cycling time of machining is another reason why tungsten carbide indexable cutting tool can improve productivity. Using tungsten carbide cutting tool to replace solid tungsten carbide cutting tool can significantly reduce the cycling time of machining. For instance, if using solid tungsten carbide cutting tool during machining, the most of the rough machining should be done when workpieces are relatively soft, and then these workpieces should be sent to take heat treatment and be clamped again. After that, a tungsten carbide end mill is needed to do the finish machining. However, all these can be accomplished in the same tungsten carbide indexable cutting tool.
 
Tungsten Carbide Indexable Cutting Tool
 
 
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Tungsten Carbide Indexable End Mill’s Cost Advantage

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 16:50
Tungsten carbide indexable end mill is suitable for milling shallow grooves, step surface, and boring blind holes. Tungsten carbide indexable end mill has many advantages in cost saving:
 
Firstly, it can reduce the cutting tool replacement cost. Cobalt high speed steel and solid tungsten carbide are relatively more expensive. When they break, the whole cutting tool should be replaced with a new one. Instead, in tungsten carbide indexable end mill, an indexable insert is worth just a few dollars.
 
In addition, tungsten carbide indexable end mill do not need to be reground, which is a labor-intensive and costly work. Also, regrinding may cause damages in cutting tool diameter size. During slotting machining, that would mean extra cost of a finish machining to meet the size requirements.
 
What is more, tungsten carbide indexable end mill has wide universality which helps reduce the cost. In many cases, it can be used in different kinds of workpiece materials and machining just by replacing the blade materials and groove shapes in the same cutter body.
 
Tungsten Carbide Indexable End Mill
 
 
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Tungsten Carbide Indexable Turning Tool Lever-type Clamping Introduction

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 16:48
The lever-type clamping structure of tungsten carbide indexable turning tools is the most commonly used clamping structure at home and abroad, in which the blade is clamped to the toolbar according to lever principle. When the operator turns the screw, the clamping force will be produced through the lever, and then the blade will be located in the cutter groove side. When the operator removes the screw, the blade will be loosened, and the semicircular cylinder-shaped leaf spring can keep the shim position still. In this structure, due to the leverage, the blade can get acting force in horizontal direction during clamping, which can press one side of the blade onto the side of cutter groove. Through this, the blade can be tightly clamped.
 
The characteristics of lever-type clamping structure of tungsten carbide indexable turning tools: high location precision, firm clamping, reasonable stress, convenient in use, poor manufacturability. It is more suitable for mass production.
 
Tungsten Carbide Indexable Turning Tool
 
 
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Tungsten Carbide Indexable Turning Tool Eccentric Clamping Introduction

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 16:46
Eccentric clamping structure of tungsten carbide indexable turning tools has gained increasingly wide applications due to its advantages of simple structure, convenient and reliable clamping and so on.
 
In the eccentric clamping structure of tungsten carbide indexable turning tool, blade is clamped to toolbar by using an eccentric pin on the upper screw. This structure is convenient to operate but can not perform bilateral positioning.
 
When the eccentricity is too small, it requires higher blade precision, but when the eccentricity is too large, the blade may be easily loosened under the impact of cutting force. Therefore, the eccentric clamping structure of tungsten carbide indexable turning tools is more suitable for continuous smooth cutting.
 
Tungsten Carbide Indexable Turning Tool
 
 
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Tungsten Carbide Indexable Turning Tool Introduction

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 16:44
Tungsten carbide indexable turning tool, with three or more indexable cutting edges, is formed by clamping the tungsten carbide indexable insert to the toolbar using mechanical method. It is composed of toolbar, blade, shim, and clamping structure. When one of its cutting edges wears, operators can loosen the clamping structure, switch to another cutting edge, and clamp it again. When the cutting edges all wear off, the indexable insert then can be replaced by another one of the same kind. It can avoid the defects after welding in welded turning tools. Therefore, tungsten carbide indexable turning tools can allow full play to the original cutting properties of blade materials and thus help extend the tool life. Tungsten carbide indexable turning tool has three main clamping structures: eccentric clamping structure, lever-type clamping structure and wedge-type clamping structure.
 
Tungsten carbide indexable turning tool is a kind of advanced cutting tool, because it do not need to be reground and its blade can be easily replaced, which help greatly reduce the regrinding cost and improve cutting efficiency.
 
Tungsten Carbide Indexable Turning Tool
 
 
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Tungsten Dropshot Weights-2

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 08:59

Tungsten dropshot weights create twice the sound of lead as it contacts structure, and they sink quickly with the properties of high mass and low volume. They are environmentally safe, because of the material tungsten is non-toxic, which is more important for us.

Tungsten dropshotweights are available in a teardrop model and a thin model.

Tungsten dropshot weights of Chinatungsten Online feature a high quality clip designed to hold fishing line without tying a knot, yet allows line to slip out when the weight becomes snagged allowing the rest of the rig to remain intact.

tungsten-drop-shot-weight


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Tungsten Dropshot Weights-1

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Category: Tungsten Information
Published on Tuesday, 11 November 2014 08:55

Tungsten dropshot weights have really turned into an effective and widespread way of rigging a worm and catching fish.

Tungsten dropshot weights feature a high quality clip designed to hold the line without tying a knot and slipping off the rig when they get hung up without breaking off the hook. Then, all you have to do is clip on another weight and your back to fishing without re-tying the whole rig.

Because tungsten is denser than lead, so tungsten dropshot weights offers a smaller more compact design as compared to its lead counter part at the same physical weight, about 25% smaller than conventional lead weights.

Tungsten dropshot weights are extremely dense providing anglers the sensitivity they need when fishing soft plastics. They can transmit the feel of the bottom structure extremely well, allowing you to have more sensitivity by detecting subtle bottom changes that with lead would go unnoticed.

tungsten-drop-shot-weight


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Tungsten Carbide Saw Blade’s Common Specifications

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Category: Tungsten Information
Published on Friday, 07 November 2014 16:53
Tungsten carbide saw blade has many types of specifications, and some common ones will be introduced in the following.
 
Generally speaking, left and right teeth should be applied in the sawing of chipboard and particleboard of medium density, while horizontal ladder tooth is normally adopted in the sawing of laminated board and fire-proof plate. The external diameter of tungsten carbide saw blade is often with Ф300-350mm according to different types of circular sawing machines and the saw blade thickness is connected with diameters (Ф250-300mm with a thickness of 3.2mm and over Ф350mm with a thickness of 3.5mm). Computer-controlled material handling machine usually adopts tungsten carbide saw blades with larger diameter and thickness (350-450mm of diameter and 4.0-4.8mm of thickness) due to its high power of sawing, and normally applies horizontal ladder tooth to reduce chipping and saw notch. As for maintaining a smooth grooving in the slot base, flat teeth or composite tooth form of left and right teeth should be adopted.
 
Tungsten Carbide Saw Blade
 
 
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How to Identify High-quality Tungsten Carbide Saw Blade

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Category: Tungsten Information
Published on Friday, 07 November 2014 16:51
Tungsten carbide saw blade, made up of saw blade and saw teeth, is especially used for cutting and grooving metal materials. Its quality is closely related to the product quality, so, how to identify high-quality tungsten carbide saw blade?
 
The alloy particles contained in high-quality saw blades is thicker and larger which allows for many times of cutter sharpening on carbide teeth and longer service life. The welding quality of tungsten carbide is also very important. Thin and uniform welding lines are required, which can enable the saw teeth to withstand larger cutting force. Also, a high-quality saw blade is also very essential, because it adjusts the rotation, and should not only pass the cutting force, but also maintain the working stability. High-quality tungsten carbide saw blades has static geometry size, accuracy and dynamic performance as well. When the saw blade conducts cutting continuously, the heat generated will be passed to saw blade and lead to its increasing temperature, under which, a high-quality saw blade can still remain its precision while the inferior one will warp and has lower precision.  
 
Tungsten Carbide Saw Blade
 
 
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