Ball Screw Jack KOB,K1B,K2B,K3B,K4B by YOUNGJIN WORM - Komachine Supplier Profile and Product List

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YOUNGJIN WORM

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YOUNGJIN WORM

Ball Screw Jack

Model Name

KOB

Series

Screw Jack

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Data

Dimension table-YOUNGJIN WORM-Shaft lifting Type K0B

Manufacturer information

YOUNGJIN WORM

Precision Worm Reducer, Gantry Robot 3:1 Reducer, Dual Pitch Cavex Reducer, Dual Lead Worm, Screw Jack and more

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Manufacturer

YOUNGJIN WORM

Brand

SKU

142181

Product Name

Ball Screw Jack

Model Name

KOB, K1B, K2B, K3B, K4B, K5B, K6B, K6 1/2B, K7B

Size

Weight

Product Details

BALL SCREW JACK

It is a standard screw jack that utilizes the experience and technology that only specialized jack manufacturers can do.

Since there is no rotational friction between the nut and the screw shaft like a ball bearing, compared to screw jacks using trapezoidal screws, the efficiency is about 3 times and it can be operated with low power.
It generates little heat even when used at high speed, has low noise, and does not spill oil, so it is also suitable for pollution control.
Since there is no self-locking function like the trapezoidal screw, install a brake if you need a self-locking function.
There are abundant selection functions such as BELLOWS BOOT to protect the screw shaft, TRUNNION BASE, LIMIT SWITCH, and RC encoder for computer control.

Standard specification

model number		KOB	K1B	K2B	K3B	K4B
Basic Capacity (Tonf)		1	2.5	5	10	20
Screw shaft diameter (mm)		20	25	36	45	60
Screw shaft lead (mm)		5(10)	5(10)	10	10	10(16)
worm reduction ratio	H	5	6	6	8	8
worm reduction ratio	L	24	24	24	24	24
efficiency	H	0.61	0.61	0.6	0.58	0.58
efficiency	L	0.36	0.36	0.34	0.41	0.43
Maximum allowable torque per jack turn (kw)		0.75	1.3	2.5	3.7	6
Required input torque for basic capacity (kgf-m)	H	0.27	0.88	2.2	4.2	11
Required input torque for basic capacity (kgf-m)	L	0.093	0.37	1	1.9	5
The number of revolutions of the worm for a stroke of 10 mm	H	10	7.5	6	6.7	5
The number of revolutions of the worm for a stroke of 10 mm	L	48	30	24	20	15
Holding Torque (kgf-m)	H	0.15	0.5	1.3	2.1	5.6
Holding Torque (kgf-m)	L	0.018	0.07	0.15	0.35	1
Weight (kgf) In case of stroke 100mm		5	11	20	40	70
Grease filling amount (kgf)		0.15	0.6	0.9	1.5	3
Anti-rotation key torque (kgf-m)		0.5	1.5	4.5	11.5	30
Input Shaft Allowable Overhang Load (kgf)		30	45	70	120	120
Input shaft no-load torque (kgf-m)		0.03	0.1	0.2	0.3	0.5
torque factor	H	0.27	0.35	0.44	0.42	0.55
torque factor	L	0.09	0.12	0.2	0.19	0.25
speed factor Stroke advance per 1 rotation of the input shaft mm	H	1	1.33	1.67	1.5	2
	L	0.21	0.33	0.42	0.5	0.67
screw shaft forming		Rolling	Rolling	Rolling	Rolling	Rolling
screw shaft cover material		Rigid Vinyl Chloride	Rigid Vinyl Chloride	Rigid Vinyl Chloride	Rigid Vinyl Chloride	Steel
Operating temperature range (°C)		-15~+80	-15~+80	-15~+80	-15~+80	-15~+100

model number		K5B	K6B	K6 1/2B	K7B
Basic Capacity (Tonf)		30	50	75	100
Screw shaft diameter (mm)		80	100	120	140
Screw shaft lead (mm)		10(20)	24	28	32
worm reduction ratio	H	10 2/3	10 2/3	10 2/3	12 2/3
worm reduction ratio	L	32	32	38	36
efficiency	H	0.59	0.58	0.59	0.6
efficiency	L	0.39	0.37	0.37	0.36
Maximum allowable torque per jack turn (kw)		9.5	14	17	22
Required input torque for basic capacity (kgf-m)	H	15	31	53	67
Required input torque for basic capacity (kgf-m)	L	8	16	29	40
The number of revolutions of the worm for a stroke of 10 mm	H	5.3	4.4	3.8	3.9
The number of revolutions of the worm for a stroke of 10 mm	L	16	13.3	13.6	11.2
Holding Torque (kgf-m)	H	8	16	18	37
Holding Torque (kgf-m)	L	0.9	1.4	1.5	2.1
Weight (kgf) In case of stroke 100mm		130	270	500	750
Grease filling amount (kgf)		4	6	8	12
Anti-rotation key torque (kgf-m)		60	125	225	350
Input Shaft Allowable Overhang Load (kgf)		220	250	250	300
Input shaft no-load torque (kgf-m)		1	2	3	4
torque factor	H	0.51	0.61	0.71	0.65
torque factor	L	0.26	0.32	0.32	0.31
speed factor Stroke advance per 1 rotation of the input shaft mm	H	1.87	2.25	2.62	2.53
	L	0.63	0.75	0.74	0.89
screw shaft forming		Rolling	Rolling	Machine Cutting	Machine Cutting
screw shaft cover material		Steel	Steel	Steel	Steel
Operating temperature range (°C)		-15~+100	-15~+100	-15~+100	-15~+100

YOUNGJIN WORM

Precision Worm Reducer, Gantry Robot 3:1 Reducer, Dual Pitch Cavex Reducer, Dual Lead Worm, Screw Jack and more

YOUNGJIN WORM is a company specializing in the production of high-precision worm shafts and worm wheels contributing to the development of the best precision gear industry. As a professional manufacturer of servo precision worm reducers (dual lead box), YOUNGJIN WORM is doing its best to contribute to the development of the precision gear industry in Korea with the experience and know-how accumulated for a long time. We are making ceaseless efforts to satisfy our customers in terms of quality, price, and delivery service with high-precision processing systems and the latest gear inspection equipment installed for achievement of the best efficiency. We will keep doing our utmost to become a first-class worm manufacturer by producing better products with superior information and technological power.We thank our customers for the unsparing guide and encouragement for our growth and development, and we look forward to the continuous use and participation of customers.

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