Renovation of the second-hand house door and window "old tree open new flower"

The aging of doors and windows is the most common problem encountered in the decoration of second-hand wedding houses. So, what are the construction points for the renovation of second-hand houses and windows?

First, the sandpaper is sanded and repaired and damaged. If the surface of the wooden door is damaged, you should first put the putty on the damaged place, then sand it with sandpaper, then brush the primer and topcoat. This is because, in general, the finished door is waxed, and the surface will have grease. After polishing it, it can improve the adhesion of the paint. There is no difference in quality between refurbishment and first-time painting, so don't worry about shorter life or other quality problems.

Second, the base material does not hurt the overall situation. One problem with wooden door refurbishment is that the wood door was originally made of oil-based paint or water-based paint. If the same type of paint is not used during renovation, it may result in poor quality. Experts say that this issue is not a concern.

In general, there are three types of oil paints: polyester paint, nitrocellulose paint and alkyd paint. Alkyd paint is an early product, it is slow to dry, and it is used less and less in decoration; nitro paint is dry quickly but the paint film is thin, it needs to be brushed many times, and it is easy to white when humidity is high; polyester paint It is used more often, and the film formation is fast and the effect is better. If you are using an oil paint, consider using the same paint or water-based paint. It should be noted that when the wooden door is refurbished, the first time the paint is sprayed, the better.

Third, dark oil is not easy to cover. Although any substrate and material can be refurbished, if the original oil is used and the color is darker, it will not be covered with a light paint when refurbished, unless the original color is covered with a darker color. And if it was originally mixed, there is no limit on the color, and you can change it to any color. [Follow the WeChat public account "Jiuzhengmen Window Network"; pay attention to courtesy, scan code to send millions of business opportunities]

Superabrasives are tools used in precision grinding,precision cutting,precision polishing and precision drilling,like Flexible Diamond Abrasive.Superabrasive materials attach to a wheel,blade and drill to make Superabrasive Grinding Wheels,cutting balde and drilling bit.The reason some abrasives are Superabrasives is due to their extraordinary hardness,unparalleled performance,and longevity.
What are Superabrasives?
Abrasives that belong to the Superabrasive family includes,Industrial diamonds: an industrial diamond is a non-gem quality small diamond that is for abrasives,cutting,and drilling tools.
Cubic boron nitride (CBN): Usually called CBN it is the second hardest cutting tool material after a diamond.
Polycrystalline: Is an abrasive material that has a multiple collection of crystal grain structures with individual orientations
CVD Diamond: These are synthetic diamonds made by a process known as chemical vapor deposition.CVD diamonds grow from a hydrocarbon gas mixture. They are extremely hard,have a high thermal conductivity that is five times that of copper. They also have broadband optical transparency,are chemically inert,and only reach graphitization at very high temperatures.
Nanodiamonds: These tiny diamonds are the product of a controlled explosion. Sometimes called a detonation nanodiamond (DND) or an ultradispersed diamond,as this is how they form.
Industries That Use Superabrasives
A great number of industries use Superabrasive grinding wheels and the coated abrasives subsection of the abrasives industry continues to grow. Industries that are prime buyers of Superabrasive grinding wheels are,

Aerospace
Jewelry
Aluminum Mills Leather Tanneries
Automotive Machinery
Bearings Marble
Boat Building Medical Instruments
Brick & Tile Metal Fabrication
Broaches Metallurgical Labs
Ceramic Products Motor Vehicle Parts
Construction Oil Field Equipment
Contract Machining Paper Mills
Copper Mills Plastics
Cutlery Precision Gages
Cutting Tools Railroad Equipment
Dental Equipment Rubber
Forest Products Saw Blades
Foundries Ship Building
Gears Springs
Glass Products Steel Mills
Golf Clubs Valves
Granite Welding

Advantages of Superabrasives
The advantages of Superabrasive grinding wheels are more than extraordinary hardness,unparalleled performance,and longevity. These three features of Superabrasives are the core of many advantages manufacturers gain by an aggregation of services that normal abrasives simply cannot deliver.
These include:
Less expensive tooling and fixturing costs
More wheels on the spindle,smaller wheels,multiple operations
Less floor space needed for manufacturing
Virtual elimination of wheel wear
Automated CNC machines,less labor intensive operations requiring less training
Consistent surface speed from part to part
Better overall throughput with fewer machines needed
Improved Material Removal Rates,Lower Per Part Abrasive Costs and higher speeds
With Superabrasives,production increased by automated CNC equipment,industries have found one way to compensate for the lack of availability of skilled labor. With fewer machines needed,so is fewer workers. With Superabrasives CNC,automation is more concerned with defining a manufacturing process using machine capabilities and mechanization. There is less concern on operator technique. A properly defined process,combined with automatic loaders make for equipment that is almost running itself.
Industry Outlook
Future growth of the abrasives industries will primarily be in Superabrasives. Currently,research and development of Superabrasives are taking place in the following areas.
Custom designed [hard to grind" materials in an increasing number of industries
Creep or deep feed grinding
High-speed,high-performance grinding of hardened steel
Form grinding,sometimes with electroplating,in high precision,high-removal,and high-surface quality applications
CNC-control of line grinding machines
Other abrasive technology developments with Superabrasives are likely to occur in using CVD for the best bonding of coatings to diamond wheels

Electroplated Diamond Products

Superabrasives Precision Cutting,Superabrasives Precsion Polishing,Superabrasive Grinding Wheels,Profiled Superabrasive Grinding Wheels,Flexible Diamond Abrasive

Hans Superabrasive Material Co., Ltd. , http://www.hansuperabrasive.com