contoh job sheet connecting rod (english)

		SEKOLAH TINGGI TEKNOLOGI
		DUTA BANGSA
		JOB SHEET METALURGI FISIK
		SEMESTER 4				CONNECTING ROD
		Date: 7 August 2016				No. 1.2
	Tools and materials :
	1. Alloy steel				5.Anvil
	2. Drop hammer				6. Oven
	3. Tongs				7. Turning machine
	4. Plakes				8. Milling machine
	5. Scrapers
	Safety of working :
	1. Use a self protection and wearpack
	2. Put instrument work and materials in right place
	3. Use tools as the function is fit
	4. Work with a careful and thorough
	5. Follow guidance and instructors
	work steps:
	1. Alloy steel cut to be the small pieces
	2. Heated materials(billets) in oven with temperatures 11000-12500°C
	3. suppressor and the mold is heated with the temperatures 11000-12500°C
	4. Material ejected from an oven then stored above suppressor
	5. Process of compressing done with great pressure 2000 ton to appear form the base  of
	connecting rod
	6. cooling process
	7. Connecting rod Material incorporated into an oven as much as two more time
	- The first to strengthen metal with high temperature
	- The second process to stabilize metal by low temperature
	8. Used a turning machine to cut away excess size of the basic shape
	9. Used milling machine to reduce to some mm on each side
	10. The process of finishing to refine and smoothing the form of connecting rod and
	sprayed heat, deionisasi water, deprive of lubricant that left of the process