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The whole mobile phone shell zinc magnesium alloy grinding machine with straight screw groove

price:USD$15.00
discount 70% in 2018-09-25 to 2018-09-27
price: USD$ 10.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Brand: Langya full grinding machine tapping for surface treatment: white

Screw length: 36mm blade length: 7.0mm diameter: 3.0mm material: French atieh manga cobalt (M35)

Suitable for processing materials: stainless steel, copper, aluminum, zinc alloy, magnesium alloy, titanium alloy, mobile phone shell and nuts, clocks and watches.

Specification: M1.0*0.25M1.2*0.25M1.4*0.3M1.6*0.3M1.7*0.35M1.8*0.35M2*0.4

Dear, the above specifications are some of our products, if you need other specifications and non-standard custom-made, welcome to contact customer service! Processing different materials and different processing requirements, the choice of wire attack accuracy is not the same, if there is doubt, please contact customer service or call0755-27313123Consultation! 

Common problems and solutions in tap tapping process

As everyone knows, tapping is a difficult process. Although we want a tap to perform best,Die in one's bedBut in the past, there is always this kind of problem in the process of tapping. If you have a problem, you have to figure out how to solve it, even though it's hard sometimes.

The reasons for the work, Bo master contact with many tapping process of all kinds of difficult problems, some of these problems are indeed very difficult. The common problems and solutions in tap tapping process are listed as below, for reference.

More than one regulation

Decayed teeth and coarse teeth

.Through the rules

Premature wear of tap

Tap life is short

Stop regulation
Improper selection of tapsChoose suitable tap (according to material, pass, thread tolerance, etc.).
Excessive speedReduce speed;
Improve the quality of cooling liquid, improve the cooling and lubrication effect.
Generative cutting tumorReplacement of new tap
Use coated taps;
Improve the quality of cooling liquid, improve the cooling and lubrication effect;
Removal of cutting and damaging cutting teeth.
Chip cloggingThe more suitable tap (including spiral groove, cutting angle, etc.) of cutting parameters should be selected;
Group taps must be used when necessary.
Tap burrRemove burrs carefully.
Positioning and clamping inaccuracyTapping fixture with axial and radial automatic adjustment;
Tap and check the bottom hole, the coaxiality of the spindle.
Tapping feed instabilityImprove tapping procedure;
Check the drive screw of machine tool;
Tapping fixture with length compensation function.
Unreasonable grinding of tapTry to ensure that the cutting parameters of regrinding taps are consistent with new taps.
Axial pressure is too largeAdjust tapping axial pressure;
Tapping fixture with length compensation function.
Decayed teeth and rough
Improper selection of tapsChoose suitable tap (according to material, pass, thread tolerance, etc.)
The speed is too high or too lowSelect the recommended tapping speed.
Serious tumorReplacement of new tap;
Use coated taps
Improve the quality of cooling liquid, improve the cooling and lubrication effect;
Removal of cutting and damaging cutting teeth.
Chip cloggingThe more suitable tap (including spiral groove, cutting angle, etc.) of cutting parameters should be selected;
Group taps must be used when necessary.
Tap burrDeburring.
The bottom is too smallThe use of reasonable bottom hole size.
Insufficient cooling and lubricationUse reasonable cutting fluid;
Properly increase the supply of cutting fluid.
Tap single tooth cutting too largeIncreasing the length of cutting cone;
Replacement of group tap.
Through the rules
Tap wear is seriousReplacement of new tap.
Improper selection of tapsChoose suitable tap (according to material, pass, thread tolerance, etc.).
Screw thread type parameter errorTap with better performance;
Tapping fixture with length compensation function.
Premature wear of tap
See rotten teeth and roughSee rotten teeth and rough.
The bottom of impact hole of cutting edgeControl of bottom and the effective depth of thread;
Use when necessaryEType evenFType cutting edge
No coating or poor coating qualityAccording to the property of the tapping material, the suitable coating tap is used.
Tap life is short
Premature wear of tapUsing coating treatment taps
Annealing of taps during RegrindingChange grinding parameters (grinding wheel type, speed, coolant, etc.).
The material hardening is serious when drillingChange drill bit in time;
Change drill bit in time;
Material annealing before tapping.

Shopping needs to know:

 

lAbout pictures: all the commodities in this store areObject beatPhotoDue to shooting light, computer monitors and other objective reasons,The difference between the object and the object is small,This is not a fan of quality problems.

 

About size: all commodity parameters areManual measurement,Due to the measurement process, processing technology, product batch is different, there is a small range of errors, for reference only (predict detailed parameters,Please consult with our company customer service,In order to measure accurately for you, the company will not regularly product details and packaging Optimize and upgrade,We'll be more timely,In the end, the object is received.

About goods: all the products of our company,Strict inspection will be carried out before packing,Make sure that the product is finished,Before entering the warehouse packaging delivery,Parents who received goods such as oil ah,The grease is a normal phenomenon,Because some goods are easy to rust,We'll add some anti rust oil,To avoid rust.

lAbout inventory:BecauseInventory may change at any timeWhen you need to buy goods, please be sure to contact us, confirm the baby inventory situation, so as not to cause unnecessary trouble to you.

l  Our business is honest and seriousBe responsible for every buyerIf you have any questions, please contact us in time. We will try our best to solve your problems

Express logistics:

Day order18000Before the shooting and payment, you can arrange the day of delivery (national holidays may delay), if the special circumstances can not be shipped in accordance with the established time, the shop staff will contact you in advance, and you negotiate.

The other provinces express the defaultSF ExpressDefault express in GuangdongXinfengexpressSingle purchase more than 300 yuan package mail.If the customer has special requirements, please contact customer serviceWe will try to meet your demand for mail.

l  As the product weight can not be accurately measured, logistics freight can only be used as a basic reference, in fact, the seller to modify the freight as the standard, please cooperate with the freight price difference.

return policy

The company has no reason to return goods for seven days,When the parents sign the express delivery time7Within two days, if the goods are not used and the original package is not damaged, the seller does not affect the sale of the company, the shop promised unconditional return:aIf the time of receipt is only the date, the date of the second day of the sign is zero168Hour for7Day;bThe goods with quality problems are not subject to this limit.

If the return is not for quality problems, the expenses will be borne by the buyers.

 

 Family tips:
1) the goods sold by the company, the company must be responsible for the end.

2) after receiving the goods, please carefully check, confirm that no problem, then make evaluation. If you have any questions, please contact with the store first, and the company will never shirk responsibility.
3) express is the third party service, not the company can control, please do not express the company's service as the basis for the evaluation of the company. If there are any problems in the logistics process, the company will be actively dealt with. 

           We are committed to the pursuit of more professional services, such as you have more product consultation, please contact our customer service or call0755-27313123Service hotline, we will be happy to serve you