Fixed Bed General Open Front Punch Press

Fixed Bed General Open Front Punch Press

The Fixed Bed General Open Front Punch Press, a reliable punch press machine, features horizontal crankshafts and stroke adjusters. Its dry pneumatic clutch ensures durability. With manual die adjustment and scales, it’s user-friendly. "A" models have emergency brakes and optional photoelectric protectors, plus safety solenoids and global PLCs. J21S offers extended throat depth. As a top sheet metal punch press, this punch press machine excels in precise, safe metal stamping.

Information

H1: Fixed Bed General Open Front Punch Press – A Versatile Punch Press Machine for Metal Stamping

In metal fabrication, the Fixed Bed General Open Front Punch Press (J21 & J21S series) stands out as a robust sheet metal punch press, blending precision with durability. Whether for small parts or large panels, this punch press for sale excels in stamping, piercing, and forming—rivaling the flexibility of a c frame punch press while offering the stability of a fixed bed design.

H2: Core Structures – Strength in This Punch Press

H3: Horizontal Crankshaft & Reinforced Frame

The Fixed Bed General Open Front Punch Press features a horizontal crankshaft structure, ensuring smooth power transmission—critical for consistent stamping. Its fixed bed, crafted from annealed cast iron, resists deformation, outperforming many c frame punch press models in heavy-duty use. This rigidity makes it a reliable punch press machine for continuous 2-shift operations.

H2: J21 vs. J21S Series – Tailored as a Sheet Metal Punch Press

H3: J21 Series: Adjustable Stroke for Versatile Stamping

The J21 series includes a crank stroke adjustment device, ideal for varying punch depths (5-100mm). As a versatile sheet metal punch press, it handles thin sheets (0.3mm) to thick plates (10mm), making it a top punch press for sale in workshops needing adaptability.

H3: J21S Series: Spacious Workspace for Large Parts

The J21S series, a standout punch press machine, boasts an extended throat depth—perfect for large panels or bulky components. Its roomy workspace outshines standard c frame punch press models, simplifying maneuvering during stamping.

H2: Advanced Systems – Efficiency in This Punch Press

H3: Dry Pneumatic Clutch for Quick Cycles

Both series use a combined dry pneumatic friction clutch, ensuring fast engagement/disengagement. This boosts speed (up to 300 strokes/min), a key advantage of this sheet metal punch press. As a high-performance punch press machine, it cuts production time by 30% vs. older models.

H3: Manual Die Adjustment with Clear Scaling

Equipped with manual die adjustment and a precision scale, setup is swift—reducing downtime. This user-friendly feature makes the fixed bed general open front punch press a practical punch press for sale, even for frequent task switches.

H2: Safety & Control – Protecting Operators of This Punch Press Machine

H3: Comprehensive Safety Features

"A" type models include an emergency brake (stops slider 0°-135°) and optional photoelectric protectors. A dual safety solenoid valve ensures reliability, meeting global standards—making it a safer choice than some c frame punch press models.

H3: International PLC for Intuitive Use

Powered by international PLCs, the punch press offers easy programming (stores 50+ programs). This smart control enhances productivity, solidifying its role as a top sheet metal punch press and punch press for sale.

H2: Technical Parameters

Specification			JE21-16	JE21-25	JE21-40	JE21-63	JE21-80	JE21-100	JE21-125
Nominal Force		kN	160	250	400	630	800	1000	1250
Nominal Stroke		mm	2	2.5	4	4	5	6	6
Slide Stroke		mm	70	60	100	120	130	140	140
SPM		min^-1	130	100	70	60	53	40	40
Max. Die Height		mm	170	180	220	300	350	320	320
Die Height Adjustment		mm	45	70	80	80	100	100	100
Between Slide Center and Frame		mm	170	210	250	300	300	380	380
Bolster	F-B	mm	320	400	480	570	580	710	720
Bolster	L-R	mm	480	600	170	760	860	1100	1200
Bolster Opening (Up Dia.xDepthxLow Dia.)		mm	φ100	φ120	φ220x25x φ180	φ200x45x φ180	φ200x45x φ180	φ260x50x φ220	φ260x50x φ220
Bolster Thickness		mm	60	70	90	100	100	120	120
Bed Opening (Dia. x F-B x L-R)		mm	140x140	180x180	220x250	220x320	220x380	260x290	260x290
Slide Area	F-B	Mm	180	210	280	280	280	420	420
Slide Area	L-R	mm	200	250	320	380	380	560	560
Shank Hole (Dia.xDepth)		mm	φ40x60	φ40x70	φ50x70	φ50x80	φ60x75	φ60x80	φ60x80
Between Columns		mm	250	330	410	320	410	630	620
Main Motor Power		kW	2.2	3	4	5.5	7.5	7.5	11
Overall Dimension	F-B	mm	1050	1560	1620	1700	1720	2200	2200
	L-R	mm	1175	1300	1450	1550	1630	1850	1850
	Height Above Floor	mm	1830	2210	2350	2640	2720	3050	3050

Specification			JE21S-20	JE21S-25	JE21S-40	JE21S-63	JE21S-80	JE21S-100	JE21S-125
Nominal Force		kN	200	250	400	630	800	1000	1250
Nominal Stroke		mm	2.5	2.5	4	4	5	6	6
Slide Stroke		mm	60	60	100	120	130	140	140
SPM		min^-1	120	100	70	60	53	40	40
Max. Die Height		mm	170	180	220	300	350	320	320
Die Height Adjustment		mm	70	70	80	80	100	100	100
Between Slide Center and Frame		mm	700	700	700	700	700	760	760
Bolster	F-B	mm	320	400	480	570	580	710	720
Bolster	L-R	mm	480	600	170	760	860	1100	1200
Bed Opening	F-B	mm	140	180	220	220	220	260	260
Bed Opening	L-R	mm	140	180	220	250	260	290	290
Bolster Opening (Up Dia.xDepthxLow Dia.)		mm	φ100	φ120	φ220x25x φ180	φ200x45x φ180	φ200x45x φ180	φ260x50x φ220	φ260x50x φ220
Bolster Thickness		mm	65	70	80	90	100	120	120
Slide Area	F-B	Mm	180	210	270	280	280	420	420
Slide Area	L-R	mm	200	250	320	320	380	560	560
Shank Hole (Dia.xDepth)		mm	φ40x70	φ40x70	φ50x70	φ50x80	φ60x75	φ60x80	φ60x80
Between Columns		mm	220	330	390	470	450	630	620
Main Motor Power		kW	2.2	3	4	5.5	7.5	7.5	11
Overall Dimension	F-B	mm	1800	1790	1965	2220	2220	2600	2600
	L-R	mm	1000	1150	1330	1500	1530	1600	1600
	Height Above Floor	mm	1980	2288	2295	2600	2650	3000	3000

H2: FAQ

Q1: Is this punch press suitable for thin sheet metal?

A1: Yes. As a specialized sheet metal punch press, it handles 0.3-10mm materials, from aluminum to stainless steel—ideal for precision stamping.

Q2: How does it compare to a c frame punch press?

A2: Its fixed bed offers greater rigidity for heavy-duty use, while the J21S matches c frame punch press maneuverability with its extended throat depth.

Q3: Is this punch press machine easy to maintain?

A3: Yes. The dry clutch and manual adjustments simplify upkeep, reducing maintenance costs—adding value to this punch press for sale.

Q4: What safety features does it have?

A4: Emergency brakes, optional photoelectric protectors, and dual solenoid valves—exceeding safety standards for a reliable punch press.

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