Machine Screw Jack

Worm Gear Machine Screw Jacks incorporate an alloy steel worm gear which drives a high strength bronze drive sleeve. The worm shaft is supported on anti-friction tapered roller bearings with external seals to prevent loss of lubrication. The drive sleeve is supported on tapered roller or thrust bearings.

產品介紹

Machine Screw Jack Specifications:

Model	Gear Ratio	Capacity (tons)	Lifting Screw Dia (in)	Screw Lead (in)	Root Dia (in)	Turns of Worm for 1" Travel	Max Input Torque (in-lb)	Max Input (hp)	Max Worm Speed at Rate Load (rpm)	Max Load at 1,750 rpm (lb)	Torque to Raise 1lb. (in-lb)	Lift Shaft Eff. (%)	Tare Drag Torque (in-lb)
1-MSJ	5:1	1	3?4	.200	.502	25	45	1?2	700	800	.0225	40	3
1-MSJ	20:1	1	3?4	.200	.502	100	21	1?4	750	857	.0105	40	3
2-MSJ	6:1	2	1	.250	.698	24	100	2	1,260	2,881	.0250	38	4
	12:1	2	1	.250	.698	48	62	1 1?2	1,525	3,456	.0154	38	4
	24:1	2	1	.250	.698	96	42	1?2	750	1,715	.0105	38	4
2R-MSJ	6:1	2	1	.250	.698	24	100	2	1,260	2,881	.0250	38	4
	12:1	2	1	.250	.698	48	62	1 1?2	1,525	3,486	.0154	38	4
	24:1	2	1	.250	.698	96	42	1?2	750	1,715	.0105	38	4
2.5-MSJ	6:1	2 1?2	1	.250	.698	24	126	2	1,000	2,858	.0252	38	5
	12:1	2 1?2	1	.250	.698	48	74	1 1?2	1,277	3,650	.0148	38	5
	24:1	2 1?2	1	.250	.698	96	53	1?2	594	1,699	.0106	38	5
5-MSJ	6:1	5	1 1?2	.375	1.066	16	376	3	500	2,873	.0376	40	10
5-MSJ	24:1	5	1 1?2	.375	1.066	64	144	3?4	330	1,875	.0144	40	10
10-MSJ	8:1	10	2	.500	1.410	16	753	5	418	4,766	.0377	40	20
10-MSJ	24:1	10	2	.500	1.410	48	384	1 1?2	246	2,813	.0192	40	20
15-MSJ	8:1	15	2 1?4	.500	1.684	16	1,221	5	258	4,424	.0407	37	20
15-MSJ	24:1	15	2 1?4	.500	1.684	48	654	1 1?2	144	2,478	.0218	37	20
20-MSJ	8:1	20	2 1?2	.500	1.908	16	1,740	7 1?2	272	6,209	.0435	34	40
20-MSJ	24:1	20	2 1?2	.500	1.908	48	873	2 1?2	180	4,130	.0218	34	40
30-MSJ	10 2?3:1	30	3 3?8	.667	2.652	16	2,710	11	256	8,764	.0432	34	50
30-MSJ	32:1	30	3 3?8	.667	2.652	48	1,411	3 1?2	156	5,364	.0235	34	50
35-MSJ	10 2?3:1	35	3 3?4	.667	3.009	16	3,450	11	200	8,035	.0493	30	50
35-MSJ	32:1	35	3 3?4	.667	3.009	48	1,800	3 1?2	122	4,904	.0257	30	50
50-MSJ	10 2?3:1	50	4 1?2	.667	3.782	16	5,555	16	181	10,382	.0555	28	100
50-MSJ	32:1	50	4 1?2	.667	3.782	48	3,014	5	104	5,982	.0301	28	100
75-MSJ	10 2?3:1	75	5	.667	4.286	16	8,236	28	214	18,368	.0549	26	155
75-MSJ	32:1	75	5	.667	4.286	48	3,780	9	150	12,862	.0252	26	155
100-MSJ	10 2?3:1	100	6	.667	5.254	16	13,166	32	153	17,330	.0665	22	205
100-MSJ	32:1	100	6	.667	5.254	48	7,460	12 1?2	106	11,941	.0377	22	205

Machine Screw Jack Highlights:

Acme screw
Self locking
Low noise (no rolling components)
Ideal for vertical and light loads
Pre-loaded nut assembly reduces backlash
Safe for static loads
Lower cost

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