LN28 · Deep drawing

LN28 Four Column Fast Hydraulic Stretching Machine

Machine overview

Designed for deep drawing.

Series LN28Manufacturer Lineng

The LN28 series four column rapid hydraulic stretching machine is designed and manufactured specifically for the aluminum and stainless steel product industries. It is particularly suitable for the extrusion forming of aluminum sheets and aluminum products, as well as the extrusion forming of stainless steel sheets and stainless steel products. It is also suitable for processes such as shaping, trimming, flanging, bending, or composite stretching of metal materials.This series of models is widely used in industries such as kitchenware, tableware, hardware, automobiles, motorcycles, etc.

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Built for the process

Machine features

The movable crossbeam has two sections of speed, fast descending without load, slow profiling and pressing, fast return, and high work efficiency;
Automatic material return device, simplifying mold structure;
Automatic counting function;
The main sealing components are imported products, with a long service life;
The key electrical components adopt well-known brands from Europe, America, and Japan, with high working reliability;
The hydraulic components are selected from internationally renowned brands to ensure good performance;
The surface of the column and piston rod are treated with medium frequency and plated with hard chromium;
Equipped with infrared protection device for safer operation;
Centralized lubrication system to extend the service life of the machine;
Multiple working modes: main cylinder fixed stroke and constant pressure optional, lower cylinder edge pressing and material returning optional, material using or not using optional, lower cylinder using or not using optional.

Where it works

Applications

The LN28 series four column rapid hydraulic stretching machine is designed and manufactured specifically for the aluminum and stainless steel product industries. It is particularly suitable for the extrusion forming of aluminum sheets and aluminum products, as well as the extrusion forming of stainless steel sheets and stainless steel products. It is also suitable for processes such as shaping, trimming, flanging, bending, or composite stretching of metal materials.
This series of models is widely used in industries such as kitchenware, tableware, hardware, automobiles, motorcycles, etc.

Model comparison

Technical specifications

Compare the published model parameters below. On smaller screens, scroll the table horizontally. Confirm your final configuration with Lineng before ordering.

LN28-35 to LN28-150 technical specifications
Project		Unit	Parameter
Project		Unit	LN28-35	LN28-45	LN28-65	LN28-80	LN28-100	LN28-120	LN28-130	LN28-150
Nominal force		KN	250	300	400	500	650	800	800	1000
Main cylinder liquid working pressure		Mpa	20	20	20	20	21	21	21	20.5
Return force (at 16MPa)		KN	33	33	36	43	49	54	54	61
Edge holding force		KN	100	150	250	300	350	400	500	500
Maximum liquid pressure of edge pressing cylinder		Mpa	20	20	20	20	23	20	20	20
Travel of movable crossbeam		mm	375	440	440	440	500	500	500	560
Edge pressing stroke		mm	180	220	220	220	250	250	250	280
Maximum stroke of top ejection		mm	160	160	160	160	180	180	180	220
Distance from the movable crossbeam to the workbench	Maximum	mm	700	740	740	740	850	860	900	900
Distance from the movable crossbeam to the workbench	Minimum	mm	325	300	300	300	350	360	400	340
Moving beam lifting speed	Fast down	mm/s	450	450	400	400	400	350	350	300
	Slow pressurization	mm/s	40-75	30-60	17-33	14-30	16-30	17-25	17-25	20-24
	Fast return	mm/s	400	400	350	350	350	300	300	300
The height of the workbench from the button surface		mm	950	950	980	980	1030	1055	1100	1130
Motor power		KW	11	11	11	11	11	15	22	22
Effective area of workbench		mm	390×450	390×450	500×500	500×500	550×550	600×630	600×700	600×700
Overall dimensions	About	mm	1400	1400	1500	1500	1660	1680	1760	1850
	Around	mm	1050	1050	1100	1100	1150	1160	1250	1580
	Height	mm	2710	2710	2850	2850	3140	3200	3270	3270
Total weight of the entire machine(approximately)		t	1.5	1.8	2.2	2.5	3.6	4	4.5	5.5

LN28-200 to LN28-1200 technical specifications
Project		Unit	Parameter
Project		Unit	LN28-200	LN28-350	LN28-400	LN28-600	LN28-800	LN28-1000	LN28-1200
Nominal force		KN	1500	2500	2500	4000	5000	6000	8000
Main cylinder liquid working pressure		Mpa	20	20	20	20	26	24	25
Return force (at 16MPa)		KN	70	103	103	143	290	290	290
Edge holding force		KN	500	1000	1500	2000	3000	4000	4000
Maximum liquid pressure of edge pressing cylinder		Mpa	20	26.5	24.5	25	24	25	25
Top output force (at 20MPa)		KN	60	60	60	60	60	60	60
Travel of movable crossbeam		mm	560	650	650	700	700	850	900
Edge pressing stroke		mm	280	325	325	350	350	400	450
Maximum stroke of top ejection		mm	220	280	280	320	320	350	400
Distance from the movable crossbeam to the workbench	Maximum	mm	960	1165	1165	1200	1200	1300	1400
Distance from the movable crossbeam to the workbench	Minimum	mm	400	515	515	500	500	450	500
Moving beam lifting speed	Fast down	mm/s	192	220	220	200	120	120	120
	Slow pressurization	mm/s	18-23	13.6-20	13.6-20	12.6-18	10-17	11-15	8.5-12
	Fast return	mm/s	>250	250	250	280	≥190	≥190	≥190
The height of the workbench from the button surface		mm	1090	1300	1456	1550	1780	1980	2130
Motor power		KW	20	37	37	55	55+1.5	75+1.5	75+1.5
Effective area of workbench		mm	700×850	900×1000	1000×1100	1100×1300	1300×1500	1500×1800	1800×1500
Overall dimensions	About	mm	1850	2180	2200	2400	2300	2560	2840
	Around	mm	1660	1700	1700	2000	1900	1900	1500
	Height	mm	3650	4200	4400	4760	5140	5330	5840
Total weight of the entire machine(approximately)		t	6.3	11.5	13.2	19.6	33	43	58