Sheet Metal Folding Machine for Precision Panel Forming

A sheet metal folding machine is a specialized forming solution designed to bend metal sheets through folding motion rather than vertical pressing. This forming method allows precise edge bending while minimizing surface marks and material deformation. Sheet metal folding machines are widely used in panel fabrication enclosure manufacturing and architectural metal processing where high surface quality and dimensional accuracy are required. Designed for industrial production environments the machine supports consistent folding performance for both small batch and continuous manufacturing tasks.

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No.	Name		63/1500	63/2100	63/2550	100/3200	100/4100	150/3200	150/4100	220/3200	220/4100	250/3200	250/4100	320/3200	320/4100	Unit
1	Nominal pressure		630	630	630	1000	1000	1500	1500	2200	2200	2500	2500	3200	3200	KN
2	Bending length		1500	2100	2550	3200	4100	3200	4100	3200	4100	3200	4100	3200	4100	MM
3	Column spacing		1200	1600	2050	2700	3600	2700	3600	2700	3600	2700	3600	2700	3600	MM
4	Cylinder stroke		215	215	215	215	215	215	215	215	215	225	225	315	315	MM
5	Opening height		580	580	580	580	580	580	580	580	580	580	580	680	680	MM
6	Throat Depth		350	350	350	390	390	405	405	405	405	405	405	405	405	MM
7	Slider movement speed	quick Get off	185	185	185	220	220	180	180	160	160	150	150	130	130	MM/S
8		Work progress	19	19	19	17	17	14	14	12	12	10	10	9.5	9.5	MM/S
9		Return	180	180	180	210	180	180	170	160	150	150	140	120	110	MM/S
10	X-axis travel		500	500	500	500	500	500	500	500	500	500	500	500	500	500
11	R-axis travel		200	200	200	200	200	200	200	200	200	200	200	200	200	200
12	X-axis speed		400	400	400	400	400	400	400	400	400	400	400	400	400	400
13	R-axis speed		200	200	200	200	200	200	200	200	200	200	200	200	200	200
14	Main motor power		8.7	8.7	8.7	10.8	10.8	13.2	13.2	16.7	16.7	16.7	16.7	22	22	KW
15	Hydraulic oil volume		130	180	200	300	400	300	400	300	400	300	400	400	500	L
16	Dimensions (LMH)		2000/1620/2470	2600/1620/2470	3150/1620/2470	3720/1720/2550	4620/1720/2550	3780/1730/2600	4680/1730/2600	3830/1800/2670	4730/1800/2670	3830/1800/2670	4730/1800/2670	3880/2100/3250	4760/2100/3250	MM
17	Machine tool thickness (vertical plate, slide, worktable)		40/50/60	40/50/60	40/50/60	50/60/80	50/70/90	60/70/90	60/80/100	70/80/100	70/90/110	70/80/100	70/90/110	80/90/110	80/100/120	MM
18	Cylinder bore		115	115	115	150	150	180	180	220	220	230	230	270	270	MM
19	Cylinder rod diameter		110	110	110	145	145	173	173	210	210	220	220	260	260	MM
20	Machine weight		4500	5000	6000	8500	10500	9200	11600	11000	13200	11000	13200	16800	19000	kg
21	Oil pump flow		16	16	16	20	20	25	25	32	32	32	32	40	40	L

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Designed for Accurate and Surface Friendly Folding

Sheet metal folding machines focus on controlled folding motion to achieve precise forming results while protecting material surfaces. Structural stability and intelligent control systems ensure reliable folding accuracy during production.

STON PBS Series Electro-Hydraulic Servo Press Brake

Precision Processing

Automated Flow

Flexible Configuration

Key Advantages of Sheet Metal Folding Machine

Key Features

Surface Protection

Folding motion reduces direct contact marks compared to traditional pressing methods.

High Folding Accuracy

CNC controlled folding angles ensure precise and repeatable edge forming.

Material Flexibility

Suitable for carbon steel stainless steel aluminum and coated sheet metals.

Efficient Panel Processing

Ideal for forming long panels large enclosures and thin sheet components.

Reduced Tool Change

Folding systems require fewer tooling adjustments improving production efficiency.

Automation Compatibility

Can be integrated with automatic loading unloading and panel handling systems.

Consistent Folding Quality for Panel Fabrication

In panel based manufacturing accurate folding is critical for maintaining enclosure geometry and assembly fit. Inconsistent folding angles or surface damage can result in visible defects and assembly difficulties. Our sheet metal folding machines are designed to deliver stable folding quality across repeated production cycles. Clean fold lines consistent angles and protected surfaces help manufacturers improve final product appearance and reduce rework in downstream assembly processes.

Main Systems of Sheet Metal Folding Machine

A sheet metal folding machine operates through coordinated interaction between mechanical structure folding beam control system and process management. Folding accuracy depends on precise motion control structural rigidity and stable system coordination rather than force alone.

Each folding machine is engineered as a complete forming system where the frame folding mechanism drive units and CNC control platform work together. This system based design ensures repeatable folding accuracy stable operation and long service life in industrial manufacturing environments.

01

Machine Frame and Structure System

Provides rigidity to maintain stability during folding operations.

02

Folding Beam System

Controls folding motion to form precise angles without damaging surfaces.

03

Backgauge and Positioning System

Ensures accurate sheet positioning for consistent folding results.

Laser Hands Protection Device (Optional)

04

Motion Drive System

Controls folding speed and positioning accuracy.

05

CNC Control System

Manages folding angles sequences and repeatable production execution.

06

Safety and Protection System

Supports safe operation during folding processes.

Client Factory Tours

Experience Our Manufacturing Excellence Firsthand

We believe in building strong, transparent relationships with our clients. That’s why we invite our partners to visit our state-of-the-art manufacturing facility and see our production process up close.

Anthony

With STON’s panel bender, our bending accuracy improved significantly, and we reduced labor by 40%. The ROI was achieved in under a year.

Procurement Manager, HVAC

Component Factory (Germany)

Jeffrey

“Thanks to the customization from STON’s team, our production line now runs 30% faster with better product consistency.”

Factory Owner, Stainless Kitchenware

Manufacturer (USA)

Jared

“Stable, precise, and easy to operate — STON’s panel bender has boosted our output and cut labor costs.”

– Operations Director, Electrical Cabinet

Factory (Canada)

FAQ｜Sheet Metal Folding Machine

FAQ

What is a sheet metal folding machine used for

A sheet metal folding machine is used to form metal sheets by folding edges and panels to specific angles. It is commonly applied in enclosure manufacturing panel fabrication and architectural metal production where surface quality is important.

How does a folding machine differ from a press brake

A folding machine bends metal by folding motion instead of pressing force. This method reduces surface marks and is especially suitable for thin sheets large panels and finished surfaces.

What materials can be processed with a sheet metal folding machine

Common materials include carbon steel stainless steel aluminum and pre coated sheet metals. Folding parameters are adjusted based on material thickness and stiffness.

How is folding accuracy maintained during production

Accuracy is maintained through CNC controlled folding angles precise positioning systems and stable machine structure which together ensure repeatable forming results.

Is a sheet metal folding machine suitable for industrial production

Yes folding machines are designed for continuous industrial use. Stable components reliable control systems and proper maintenance allow long term operation in manufacturing environments.