"Ah, so loose?"

Seeing that the bearing fell out, Tan Xiumei's big eyes blinked, and Ji Donglai nodded.

"Yes, he misled you! This is not a heat setting, but a sealed insert after assembly! The ends of the bearing are slightly pressed with something to seal the edges! This wheel can't be cast if it's large! Casting is prone to defects! ”

"You look at this product, it seems to be no problem, there should be defects inside, otherwise this rubber will not go in so much, he is too lazy to care if there are defects when he turns the external scraping surface, just as a hemp surface!

"As for the cushioning material on this surface, it is not rubber, this is called modified rubber, which is actually plastic, polyurethane! This thing is wear-resistant, the cushioning performance is also okay, and the aging resistance is also OK! ”

"But it looks like natural rubber is added to it, which has a lot of requirements for adhesives! So don't look at this thing as small, the requirements for the amount of work are not small! If you want to do it, find a stamping machine, form it once, and then turn the inner hole! Then brush the surface with adhesive, and then hang the glue! ”

"The use of forging fine blanking can save one process and do not worry about defects! How big is this stuff? ”

Looking at this little thing that he was no longer familiar with, Ji Dong came to talk eloquently, Tan Xiumei stared at the big eyes of surprise, and secretly found the right person.

I consulted a lot of so-called experts outside and gave various suggestions, but no one analyzed himself, Ji Donglai directly decomposed it, just for one thing, Ji Donglai was reliable.

"It's very big, I'm still exporting, and half of the products I'm staying in China and sending them to Guangzhou, Beijing, Tianjin and Shanghai! We have to make it bigger, and in the future, their products will have to use my products, can you do it? I can do it, I want it! ”

When the two were talking, Ji Donglai asked people to directly peel off all the rubber on the guide wheel, and it turned out that this roller was very careless, and he didn't even bother to use the adhesive, it was just a hemp surface pulled down.

"This is not the original part, the original part dares to do this is to find death!"

Pointing to the joint surface, Ji Donglai pointed it out to Tan Xiumei, and then talked about the huge harm that would happen, and Tan Xiumei's eyes immediately lit up.

"Are you sure?"

Looking at Ji Donglai's confident appearance, Tan Xiumei looked radiant.

"Yes, the original parts are 100% required to meet certain requirements for the adhesion of this place, which must be applied with adhesive! Do you know what an adhesive is? This thing is made of two layers, the first layer is applied to the bottom, and this part of the adhesive is chemically reactive with the metal! ”

"The composite and the metal are produced so that they stand firmly together, and then the second layer of adhesive reacts chemically with the first layer of adhesive, and the two are cross-linked! This layer of adhesive can then react with the polyurethane to create a strong grip! Avoid rubber falling off! ”

"You see how hard this rubber has been used to fall off, if the elevator runs for a long time, this kind of accident will occur 100%, and the elevator will be stuck! If the high-speed elevator is not good, it will be ruined! ”

Ji Donglai didn't know what Tan Xiumei meant, but there were many cases in his mind.

This is not uncommon in China at the moment, and it seems that this kind of thing will happen somewhere in Shanghai, and it is not small. At present, the supervision of various products is not strong, and the state will introduce relevant regulations in a few years.

"Okay, you do it, just do what you say! We will directly replace the original factory, originally I also wanted to start with three packs, now it is not needed at all, we will directly kill the original parts, that supplier now accounts for a large share! Ji Donglai, you're going to get rich, you know? Giggle......"

Keeping the content of Ji Dong's words firmly in her mind, Tan Xiumei secretly said that she had met a nobleman, and this time she must take out all her savings and take down this industry.

"Can't do it!"

"Huh?"

As a result, Tan Xiumei was stunned, and Ji Donglai shook his head.

"I'm serious, no money!"

With such a big investment, Ji Donglai would not be so stupid to pay the funds in advance!

You ask me to do it, we at least share the risk, who knows if you can sell it? Besides, the elevator factory is half of the suppliers represented by foreigners, and he can't see the payment in a short time, Ji Donglai is worried that he will be dragged to death.

"Didn't the last batch of phone cases make money, are you worried that I won't give you money?"

Seeing that Ji Donglai decisively rejected herself, Tan Xiumei frowned for a while.

"No, do you see the building over there? My grandfather has a staff dormitory building over there, and he paid more than 100,000 yuan! Also, the equipment I rent here also costs money, and don't workers also have to pay for their wages? ”

"According to your orders, I pressed a lot of goods this time, and this is also money! Also, if you want to make this thing now, you have to find someone to cooperate with the forging wheel blank in the early stage? ”

"If the advance payment is less, people won't open the mold for you, and you have to pay for the mold! People buy steel for money! We also need to open the mold to make this wheel here, and that's also money! After purchasing bearings and rubber raw materials, testing equipment, and making it, we need to do a dynamic balance trial appropriately! ”

"Sister, this thing and a phone case are two different concepts! It's okay if that thing breaks, but this one is broken, so I'm powerless! ”

Ji Dong said very calmly, at first Tan Xiumei thought that Ji Dong was playing a temper with her.

Later, after listening to it, I counted it with my fingers, and it was true that this thing was similar to what Ji Dong said.

Besides, Ji Donglai, a small person, is not his own big business, and there are certain difficulties in really doing these things.

"Don't you have a house at home, wouldn't it be nice to take out a loan?"

Tan Xiumei thought about it carefully, and just pointed to the dormitory building of Ji Donglai's house, Ji Donglai secretly scolded you for inserting a tail into a monkey, which is really good.

"You don't want to? The real estate certificate has not yet arrived in my hands, although it is said to be given in July, but who knows? You know the efficiency of these people in China, and it is possible for you to do things at this time next year, and you can't complain yet! The ghost of the house without the title deed will give you a loan! ”

"I'm not you, driving back and forth off-road, sister, or you find someone else, I'll tell you about the craft or something, it's not that I don't want to do this thing, I feel worse than you when I can't get the money!"

Ji Donglai's implication is a sentence, I want to do no money!

In fact, it is a hint to Tan Xiumei, you either take these goods that you asked me to leave, and give me the money and I will turn over. Either you pay the advance now, or not? Find someone else to make a product for you.

Just now, Ji Donglai seemed to be very detailed, but it was difficult to operate in practice.