Cubical Worm Gear Screw Jacks MCJ Series

Cubical Worm Gear Screw Jacks MCJ Series

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MaterialMetal
FinishingNon Polished
Lifting Capacity100-200kn
ColorBlue
Supply TypeManufacturer, Exporter, Supplier, Retailer
Preferred Buyer Location All over the world

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Product Details

MaterialMetal
ApplicationMachinery Use
ColorBlue
FinishingNon Polished
FeatureAdvanced Technique Used, Corosion Resistant, Low Maintenance
Lifting Capacity100-200kn

With our modern transportation amenities, safe and on-time deliveries are rendered by us!Our quality management policies and very stringent. Therefore, our entire range of products is among the best in the industry.
Product Details :

CUBICAL Model MCJ series.
10 Different Sizes in MCJ.
Lifting Capacity 5 to 50 kN in MCJ.
Drive Motor Speed upto 1500 rpm.
Worm Gear in two different ratios, slow and fast.
Top & Bottom Guide Bushes for Lifting Screw.
Worm Wheel hobbed for optimum blue contact.
Oil or grease lubricated.
Oil Seals for Worm and Worm Wheel.
All 6 Sides machined.
Easy fitting of Motor Flange.
Can be used in Upright or Inverted position.

Materials of Construction :

Worm Shaft Case carburized Steel, hardened and ground thread profile.
Trapezoidal Screw Shaft Cr-Mo Steel, hardened & tempered.
Housing Alloy aluminum for 5 and 10 kN, all higher sizes in SG Iron.
Worm Wheel and travelling nut in Aluminium Bronze.

Swivel Base

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Preliminary Selection Guide 01

Cubical worm gearbox Type	Standard Cubical Worm Gearbox MCJ
Nominal size, MCJ	0.5		1		2.5		5		10
Max lifting Capacity, kN	5		10		25		50		100
Lifting screw Tr	18x4		20x4		30x6		40x7		55x9
Normal N, Slow L	N	L	N	L	N	L	N	L	N	L
Ratio	4:1	16:1	4:1	16:1	6:1	24:1	7:1	28:1	9:1	36:1
Lift per turn of worm, at ratio, mm	1	0.25	1	0.25	1	0.3	1	0.3	1	0.3
Total efficiency, at ratio,%	0.3	0.2	0.28	0.18	0.26	0.2	0.25	0.2	0.24	0.2
Screw efficiency, %	0.427		0.4		0.4		0.365		0.348
Screw torque at max lifting capacity, Nm	7.5		16		60		153		411
Worm torque at max lifting capacity at ratio, Nm	2.7	1.05	5.7	2.2	15	6.3	32.5	13	66	25
Max permissible torque at worm shaft, Nm	3.15		7.15		18.1		38		93
Weight for zero stroke, kg	1.2		2.1		6		17		33
Additional weight per 100 mm of screw, kg	0.25		0.42		1.15		1.66		5.05

Preliminary Selection Guide 02

Cubical worm gearbox type	Standard Cubical Worm Gearbox MCJ
Nominal size, MCJ	15		20		25		35		50
Max lifting capacity, kN	150		200		250		350		500
Lifting screw Tr	60x9		70x10		80x10		100x10		120x14
Normal N, Slow L	N	L	N	L	N	L	N	L	N	L
Ratio	9:1	36:1	10:1	40:1	10:1	40:1	10:1	40:1	14:1	56:1
Lift per turn of worm, at ratio, mm	1	0.25	1	0.25	1	0.3	1	0.3	1	0.3
Total efficicney, at ratio, %	0.2	0.15	0.21	0.14	0.2	0.1	'0.164	0.1	'0.184	0.1
Screw efficiency, %	0.328		0.316		0.286		0.240		0.27
Screw torque at max lifting capacity, Nm	656		1007		1390		2312		4100
Worm torque at max lifting capacity at ratio, Nm	105	40	148	59	204	81	339	133	433	173
Max perimssible torque at worm shaft, Nm	147		175		238		338		565
Weight for zero stroke, kg	42		58		58		86		162
Additinal weight per 100 mm of screw, kg	3.1		4.5		6.15		8		11.7

Ordering Example 01

Thrust Ton	KN	Model MCJ
0.5	5	MCJ 5
1	10	MCJ 10
2.5	25	MCJ 25
5	50	MCJ 50
10	100	MCJ 100
15	150	MCJ 150
20	200	MCJ 200
25	250	MCJ 250
35	350	MCJ 350
40	400	-
50	500	MCJ 500
60	600	-
80	800	-
100	1000	-

Accessories

Hand Wheel	HW
Hand Crank	HC
Limit Switch	LS
Bellow Boots	BB
Swivel Base	SB
Motor Flange	MF
Anti Back lath	AB
Anti Turn	AT
Anti Back lash + Anti Turn	AB+
Trunion Plate	TP