OUR PRODUCT

Open Back Power Press GPA Series

The machine adopts press frame design of high rigidity and steel plate welding of high quality.

The transmission centre is the same of the machine centre to ensure the accuracy and stability.

Die height adjustment accuracy reaches up to 0.1m for safe, convenient and reliable adjustment.

Gear pair and sliding pair are smooth, high-precision and of low noise after quenching and precision grinding.

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GPA SERIES OPEN-BACK POWER PRESSES

The machine adopts high rigidity press frame design and high quality steel plate welding.

The transmission centre is the same of the machine centre to ensure the accuracy and stability.

Die height adjustment accuracy reaches up to 0.1m for safe, convenient and reliable adjustment.

Gear pair and sliding pair are smooth, high-precision and of low noise after quenching and precision grinding.

The machine adopts symmetrical balancer design to make sure smooth operation.

Dry clutch and dual solenoid valve with famous brands are applied so as to increase safety performance and ensure low noise.

Hydraulic overload protective device is equipped for high sensitivity and safety during operation.

With PLC control, the machine can achieve automatic production with robot as well as feeding system.

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GPA SERIES PRODUCT PARAMETER

		Unit	GPA-25		GPA-45		GPA-60		GPA-80			GPA-110			GPA-160			GPA-200			GPA-260
Model			V	H	V	H	V	H	V	H		V	H		V	H		V	H		V	H
Nominal Capacity		kN	250		450		600		800			1100			1600			2000			2600
Rating Point A.B.D.C. (Above bottom dead center)		mm	3.2	1.6	3.2	1.6	4	2	4		2	6		3	6		3	6		3	7		3.5
Stroke Length		mm	60	30	80	50	120	60	150		70	180		80	200		90	200		100	250		150
Stroke Per Minutes		SPM	60-140	130-200	40-100	110-150	35-90	80-120	35-80		80-120	30-60		60-90	20-50		40-70	20-50		50-70	20-40		40-50
Max. die Height		mm	200	215	250	265	310	340	340		380	360		410	460		510	460		510	500		550
Slide adjustment		mm	50		60		75		80			80			100			110			120
Depth of throat		mm	155		225		255		280			305			405			415			430
Bolster Area	LR	mm	680		850		900		1000			1150			1250			1400			1500
	FB	mm	300		440		500		550			6000			800			820			840
	THK	mm	70		80		80		90			110			140			160			180
Slide Area	LR	mm	300		400		500		560			650			700			850			950
	FB	mm	220		300		360		420			470			550			630			700
Die Shank Hole (dia)		mm	Ø38		Ø38		Ø50		Ø50			Ø50			Ø65			Ø65			Ø65
Main motor		kW	3.7		5.5		5.5		7.5			11			15			15			22
Bolster to ground		mm	795		790		795		830			830			900			995			1030
Distance between columns		mm	444		502		526		534			616			660			800			900
Over Dimension	LR	mm	940		950		1000		1100			1300			1400			1690			1850
	FB	mm	1350		1600		1600		1800			1900			2300			2615			2780
	H	mm	2230		2500		2850		2900			3200			3800			4075			4470
Weight		kg	2030		3300		4300		6500			9500			16000			23000			32000
Air Pressure Used		MPa	0.6		0.6		0.6		0.6			0.6			0.6			0.6			0.6
Capacity		kN	—		23		36		36			63			100			140			140
Stroke length		mm	—		50		70		70			80			80			100			100

GPA SERIES DIMESION OF THE BOLSTER AND SLIDE BOTTOM PLATE

Bolster Area

Model	GPA-25	GPA-45	GPA-60	GPA-80	GPA-110	GPA-160	GPA-200	GPA-260
L1	680	850	900	1000	1150	1250	1400	1500
L2	300	440	500	550	600	800	820	840
L3	180	240	300	300	320	440	560	580
L4	120	150	160	180	200	220	240	260
L5	240	300	320	360	400	440	480	520

Unit: mm

Slide Area

Model	GPA-25	GPA-45	GPA-60	GPA-80	GPA-110	GPA-160	GPA-200	GPA-260
L1	300	400	500	560	650	700	750	950
L2	—	—	220	300	300	300	420	420
L3	150	180	220	220	220	175	200	200
L4	80	120	160	180	220	220	300	300
L5	245	300	360	420	470	550	630	700
D	38	38	50	50	50	65	65	65

Unit: mm

T-Slot Dims

Model	GPA-25	GPA-45	GPA-60	GPA-80	GPA-110	GPA-160	GPA-200	GPA-260
L1	18	18	22	22	22	22	22	22
L2	30	30	37	37	37	37	37	37
L3	18	18	24	24	24	24	24	24
L4	12	12	16	16	16	16	16	16

Unit: mm

GPA SERIES CONFIGURATION

Standard Configuration

Dry-type clutch

Hydraulic overload protective device

(GPA 80-260)Motor-driven slide block adjustment device (GPA 80-260)

(GPA 45-60)Manual slider adjustment device (GPA 45-60)

Pneumatic grease lubrication device

Slide block and die balancing device

Electronic cam controller

Digital die height indicator (Unit 1mm)

Counter

Frequency control of motor speed

Over-run protective device

Double solenoid valve

Programmable controller

Stationary two-hand control button station

Coupling for air blowing

Coupling for air source

Misfeed detecting circuit

Inversion set of the main motor

Operating instruction and precision inspection table

Shockproof sizing block

Optional Configuration

Sider upper discharge device

Automatic feeding axis

Pneumatic die pad device

Gas liquid mold pad device

220 single phase of the convenience receptacle

Lighting lamp for die

Foot switch

Movable to hand contra button station

Preset counter

Safety net

Foundation on bot

Quick die change device

Guangdong Metal Forming Machine Works Co., Ltd.

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OUR PRODUCT

Open Back Power Press GPA Series

GPA SERIES OPEN-BACK POWER PRESSES

GPA SERIES PRODUCT PARAMETER

GPA SERIES DIMESION OF THE BOLSTER AND SLIDE BOTTOM PLATE

GPA SERIES CONFIGURATION

Standard Configuration

Optional Configuration

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