The tungsten walking fishing sinker is flat and rectangular. It works well on rocky bottoms, as it lies flat on top of the rocks instead of falling in between them. You can walk this sinker across the bottom and it gets snagged less often than other sinkers. The tungsten walking fishing sinker slides on your fishing line so a fish won't feel the sinker weight when it picks up your bait. The small footprint of the walking sinker on the bottom reduces your chance of snags.
 
These sinkers are the bread and butter of many live-bait, walleye fisherman. They resemble a rectangle with rounded, outside edges. The top features an eye for the line. This weight distribution positions the sinker with its round edge on bottom, so it will easily glide over rocks, greatly reducing its changes of snagging on the bottom. The semi-flat design also prevents it from rolling along bottom in fast currents.

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Tungsten carbide extruded wire tapping is just one kind of tapping, its shape is characterized by no flutes, only tank, mostly titanium extruded wire tapping, specifically for use in smaller thickness soft gold metal on threading tool .

Tungsten carbide extruded wire tapping general on tapping machines, drilling machines, lathes, milling machines, machining centers and machining of smaller thickness of soft metal processing thread is rather common. Select the correct tungsten carbide wire tapping, to ensure the quality of the thread processing machine, to ensure smooth machining process. For different materials, different processing methods, use of different wire tapping.

Tungsten carbide extruded wire tapping is a non-flute wire tapping, the principle is the use of plastic molding way through wire tapping squeeze in the hole, so that the material to be cut and formed bulge thread. No chips, it will not damage the chip and other issues blocking thread or wire tapping, and therefore most suitable for processing malleable material.

Tungsten carbide extruded wire tapping a variety of precision, accuracy must be based on a different thread, select the corresponding bottom hole size, so as to make the body meets the accuracy requirements of the drawings thread.

 

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Tungsten carbide extrusion-taps have a large number of advantages, looking at the followings:

1.Tungsten carbide extrusion-taps’ no cutting progress makes the work environment more clean;
 
2.Compared with ordinary cutting thread, the tungsten carbide extrusion-taps’ thread forming speed higher;
    
3.High quality processing of the thread surface;
    
4.Since the threads rarely have broken in the processing, thereby extending the life of the tap;
    
5.Due to no particulate material in the tissue cutting process of threading, the processing of the threads have a greater resistance to mechanical tension and torque characteristics;
    
6.For most of the thread processing machine;
    
7.It can be applied to all metal materials melt by drilling, including steel, stainless steel, light metals, aluminum and tensile strength of not more than 1200N/mm metal material.

 

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Tungsten fishing sinker is the future of fishing tackle because it is dense, heavy weight and eco-friendly. Now let’s know something about one tungsten fishing sinker——bank of reef fishing sinker

Tungsten Bank or reef fishing sinkers are the go-to sinker for most anglers, and are adequate for most situations. Their bowling-pin shape leaves them exposed to deep current, which makes them roll along the bottom at times. If you are fishing from a drifting boat or from quiet surf, bank sinkers are fine.
 
This tungsten bank or reef fishing sinkers are like pyramid and egg sinkers in their usage on rigs, yet the sinker does not feature a brass loop to hold line; rather the sinker's top usually has a lead-molded eye. These tapered, egg-shaped sinkers feature hexagon sides instead of a smooth round surface. The flat sides of the sinker help prevent it from rolling in current and the tapered shape helps prevent it from snagging in rocks.

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Tungsten carbide extrusion-taps’ threaded portion has no cutting edge, relying on plastic deformation in the hole formed by extrusion screw.

Tungsten carbide extrusion-taps’ principle is the use of metal and plastic deformation processing thread of a new thread cutter, thread forming taps are no crumbs extrusion process, especially for the lower strength, good ductility of copper alloy and aluminum, can also be used for low carbon steel, stainless steel and low hardness, tapping the plastic material having a large, long life.

Tungsten carbide extrusion-taps’ threaded surface finish extruded, metal fiber thread is not broken, and the chilled layer formed on the surface layer can improve the strength and wear resistance of the thread. It solves the difficult problem of chip tapping fundamentally, because there was no debris, more conducive to the assembly of the tungsten carbide extrusion-taps’ thread. In electronics, plastics industry wide application.

 

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There are some problems during the tungsten carbide screw-tap’s is tapping, involving the  broken tap when processing or retraction. Look at the followings:

1.Tungsten carbide screw-tap’s selection is incorrect; Choosing the right conditions to be processed by the tungsten carbide screw-tap.

2.Encountering the bottom of the hole during the tungsten carbide screw-tap’s is tapping; Bottom depth examination.

3.Cutting excessive torque; Tapping shorten the length; using wire-tapping spiral groove.

4.Bottom is too small; Select the bottom hole diameter according to the corresponding standards.

 

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Some problems often occur when the tungsten carbide screw-tap’s is tapping, involving the high surface roughness of the inner thread. There are several factors and solutions in the followings:

1.Tungsten carbide screw-tap’s selection is incorrect; Choosing the right conditions to be processed by the tungsten carbide screw-tap.

2.Cutting speed is too high; Reduce cutting speed.

3.Cutting Cone length is not enough; Increase the length of the cutting cone.

4.Chip poor; Choosing the right conditions to be processed by the tungsten carbide screw-tap.

5.Bottom diameter is too small;    Select the bottom hole diameter according to the corresponding standards.

6.Cold welding; Improve the cooling and lubrication conditions.

 

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It often occurs some problems when the tungsten carbide screw-tap’s is tapping, involving the thread is too large. There are several factors in the followings:

1.Tungsten carbide screw-tap’s selection is incorrect;

2.Eccentric Bottom;

3.Nonuniform axial feed;

4.Tungsten carbide screw-tap’s tolerance wrong choice;

5. Cutting speed is too high.

There are the solutions in the followings:
           
1.Choosing the right conditions to be processed by the tap

2.Tapping float switch / improvement Bottom

3.Tapping float switch / improvement tools

4.Reducing the number of tungsten carbide screw-tap’s chip flutes, flute expand capacity chip space;

5.Reduce cutting speed.

 

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Tungsten carbide screw-tap’ successful application depends on the stiffness of the tool holder and control precision feed. For most of the processing methods, these processing conditions for granted. But for tungsten carbide screw-tap’s tapping, these conditions are only just become a reality.

Machine control technology continues to progress, has been able to achieve with the rotation of the spindle synchronization control the feed, which can no longer use the soft tapping head. In addition, the use of thermal loading and hydraulic tool clamping chuck can increase the rigidity of the tool, but also significantly reduce run-out than when using flexible tapping head. Concentric rotation of the tool holder within 3μm. Despite the large clamping force precision telescopic precision (TGHP) chuck performance and less on heat-mounted hydraulic tool chuck, but when applied to tungsten carbide screw-tap’s tapping is also very effective.

 

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The dimensional accuracy of the tungsten carbide screw-tap’s internal thread determines the thread’s assembly and fitting accuracy. When the tungsten carbide internal thread, drill or tap normally driven by an asynchronous machine with a flexible tapping head, a flexible drive tungsten carbide tap tapping head may rotate at a rate close to the required thread feed lead. When these old machines is difficult to precisely coordinate tapping into rotary motion to give, and this synergy is a necessary condition tapped holes.

Therefore, you must use the tapping head is flexible control error range. When tapping, tapping the head of flexible wire tapping will produce radial run-out, limiting the improvement of the accuracy of the Tungsten Carbide Screw-tap’s thread. These factors lead to lower rigidity, and the processing load tap uneven.

 

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