frustum of head-EHB封头展开尺寸计算(椭圆封头)



			Calculation Sheet of				Doc. No._________
			2:1 elliptic head				Page ____of____
						2:1椭圆封头展开
						Frustum of 2:1 Elliptic head						based on JB/T 4746 -2002
						封头内径D						D	6	8	10	12	16	18	20	22	24	34	50	60	9999	test of diameter		6	1
						In-diameter of head	1200	mm				300	13	12	12	12	0	0	0	0	0	0	0	0	0	300		8	2
						封头直边高度H						600	13	12	12	12	12	12	12	12	0	0	0	0	0	600		10	3
						skirt length of head	40	mm				1000	14	13	13	12	12	12	12	12	12	12	12	12	0	1000		12	4
												1500	14	14	14	13	13	13	13	13	12	12	12	12	0			16	5
												2000	15	15	15	13	13	13	13	13	13	12	12	12	0			18	6
												3000	0	0	15	15	15	15	15	15	13	13	13	13	0			20	7
												4000	0	0	0	16	16	16	16	16	14	13	12	12	0			22	8
						封头材料密度						5000	0	0	0	0	0	16	16	16	15	13	13	13	0			24	9
						density of material	7.85	g/cm3				6000	0	0	0	0	0	0	0	0	0	0	0	0	0			34	10
						标准钢板负偏差																				1000		50	11
						mill tolerence	0.3	mm				test of thickness	6	8	10	12										12		60	12
																												9999	13
						封头展开直径尺寸OD					thickness	10	mm															4
						Frustum out-diameter of head						12	%
							1517.480	mm
												11.663636
						minimal thick after forming	10	mm				12
						Preliminary nominal thk for purchase	12	mm
						final thickness for purchase	12	mm
						Weight of disk	170.367	Kg
						size of the square plate	1542	mm
						weight of the square plate	224	kg