Valve Seat/Guide

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Supplier Info.

Company Name Nepkorean
Membership Free member
Registration Date2018.02.26
Country/RegionKorea
CityBodeum
Contact myungkorea(Mr.)

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Product Attributes

- Place of Origin Korea
- Related Keywords Powder metallurgy, automotive part

Description by Manufacturer

- NEP’s products are produced by Powder metallurgy manufacturing process.

Powder metallurgy manufacturing process: Process of filling metal powder of which average particle size is 100㎕ in a mold having a shape of desired part, molding with a press, and sintering at the metal melting point
The relationship between the rotation of the camshaft and the rotation of the crankshaft is of critical importance. Since the valves control the flow of the air/fuel mixture intake and exhaust gases, they must be opened and closed at the appropriate time during the stroke of the piston. For this reason, the camshaft is connected to the crankshaft either directly, via a gear mechanism, or indirectly via a belt or chain called a timing belt or timing chain. Direct drive using gears is unusual because of the cost. The frequently reversing torque caused by the slope of the cams tends to cause gear rattle which for an all-metal gear train requires further expense of a cam damper. Rolls-Royce V8 (1954) used gear drive as, unlike chain, it could be made silent and to last the life of the engine.^[7]Where gears are used in cheaper cars, they tend to be made from resilient fibre rather than metal, except in racing engines that have a high maintenance routine. Fibre gears have a short life span and must be replaced regularly, much like a timing belt. In some designs the camshaft also drives the distributor and the oil and fuel pumps. Some vehicles may have the power steering pump driven by the camshaft. With some early fuel injection systems, cams on the camshaft would operate the fuel injectors. Honda redesigned the VF750 motorcycle from chain drive to the gear drive VFR750 due to insurmountable problems with the VF750 Hi-Vo inverted chain drive.

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About Nepkorean

Membership Free member
Registration Date2018.02.26
Country/RegionKorea
CityBodeum
Contact myungkorea(Mr.)

NEP means the New Era in Powdermetallurgy showing technology innovation of the next generation powder metallurgy. NEP has manufacturing technology which overcomes the limitation of mechanical properties of existing powder metallurgy, and is developing and producing advanced metal powders and products

Buying Categories

- Auto Electrical System >> Automobiles & Motorcycles

Selling Categories

- Automobiles & Motorcycles >> Auto Electrical System

Keywords

Powder metallurgy , automotive part

Registration Date	2018/02/26(Year/Month/Date)
Buyer / Seller in EC21	Seller
Business Type	Agent
Year established	2013
Employees total	501 - 1000
Annual revenue	USD 50,000,001 - 100,000,000

Contact Information Order Credit Report

Company	Nepkorean
Address	#518, 8-20, Bodeum, 3-ro, Sejong City (30100) KoreaBodeumSeoul30100Korea
Phone	82 - 44866 - 1201
Contact	myungkorea

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