Descripción
Umprotech Hydraulic Guillotine Shear – 0.157″ (4 mm) × 8 ft with E21S
Robust hydraulic guillotine shear engineered for clean, precise cuts in mild steel, stainless, and aluminum up to 0.157″ (4 mm) thick across an 8 ft (96″) bed. Built for US job shops, OEMs, and contract manufacturers that need production reliability, consistent edge quality, and repeatable NC control in a mid-size footprint.
Cutting capacity: 0.157″ (4 mm) · Cutting length: 8 ft (96″) · Controller: E21S NC
Key advantages for US buyers
- 0.157″ (4 mm) cutting capacity in mild steel, stainless, and aluminum covers a wide range of light-to-medium gauge fabrication jobs.
- 8 ft (96″) cutting length comfortably handles standard 4 × 8 sheets, nested blanks, and long panels in a single stroke—no repositioning on typical US sheet sizes.
- E21S NC controller with programmable backgauge, job memory, and stroke counter reduces setup time, scrap, and dependence on tape measures or manual stops.
- Hydraulic hold-downs and adjustable blade gap deliver straight, burr-minimized cuts across different gauges and alloys, helping improve downstream forming and welding.
- Rigid welded frame and guided guillotine beam maintain blade parallelism along the full 96″ bed for square, repeatable cuts in production environments.
- Operator-focused features: shadow line/LED cut indicator, foot pedal actuation, front supports, squaring arm, and full safety guarding for safe, ergonomic operation.
- Mid-size footprint fits most fabrication cells and shop layouts, bridging the gap between compact 4–6 ft shears and large 10–12 ft machines.
Key technical specifications
Cutting capacity: 0.157″ (≈4 mm) sheet
Handles mild steel, stainless, and aluminum up to approx. 0.157″ (4 mm) thickness—ideal for cabinet panels, machine covers, HVAC components, and general fab work. Capacity for specific grades and high-strength steels should be confirmed at specification.
Cutting length: 8 ft (96″)
Processes full 4 × 8 sheets, large blanks, and long panels in one stroke, reducing handling and intermediate cuts compared with smaller shears.
Controller: E21S NC
Digital NC controller with programmable backgauge, job memory, stroke counter, and single / automatic stroke modes for structured, repeatable production and simplified operator training.
Knife type: Hydraulic guillotine
Guillotine-style upper beam with guided motion and hydraulic actuation provides straight, square cuts and consistent edge quality across the full 8 ft bed length.
Standard equipment:
Hydraulic hold-downs, front support arms, squaring arm with scale, shadow line/LED cut indicator, safety guarding, and foot pedal—ready for safe, accurate operation out of the crate.
Backgauge: Motorized, programmable
E21S-controlled motorized backgauge designed for typical 8 ft blanks and strips, providing repeatable length control without manual stops or layout lines.
Frame & drive:
Heavy welded steel frame with hydraulic beam drive and guided upper knife, engineered for reliability and accuracy on 4 mm material at full 96″ width.
Capabilities & typical applications
This 0.157″ × 8 ft hydraulic shear is a core machine for standalone sheet-metal cells or as a front-end cutter feeding press brakes, turret punches, and laser cutting cells. Its capacity and NC control make it a strong fit for high-mix job shops and OEM production.
- Blanking and trimming of sheet metal for cabinets, covers, doors, and enclosures.
- Production of brackets, gussets, frames, and small structural components for machinery and OEM assemblies.
- Panel prep for HVAC, electrical cabinets, machine guarding, and general metal fabrication.
- Prototyping and short-to-medium production runs where consistent edge quality and dimensions are mandatory.
- Material prep for downstream forming, bending, punching, or welding operations in fabrication cells and service centers.
E21S controller – NC control for daily sheet-metal work
The E21S NC controller is widely used on hydraulic guillotine shears, offering enough structure and automation for production, while remaining simple enough for operators used to manual equipment.
Core E21S functions
- Programmable backgauge: the operator enters the required length; the backgauge moves automatically to position the sheet.
- Job memory: store common blank sizes, panel lengths, and sequences—ideal for repeat orders and OEM kits.
- Stroke counter / batch tracking: monitor number of cuts and support batch completion and quality checks.
- Single / automatic modes: single-stroke mode for one-offs and adjustments; automatic mode for repetitive cuts in production.
- Clear display: indicates backgauge position, job data, and operating mode for quick verification.
Benefits for operators & supervisors
- Short learning curve, even for operators coming from manual or stomp shears.
- Reduces reliance on tape measures, manual layout, and operator memory for key dimensions.
- Improves consistency of blank size and cutting sequences across shifts and operators.
- Well suited for high-mix/low-volume work where jobs are stored, recalled, and slightly adjusted instead of being rebuilt every time.
Mechanical design & blade system
The 0.157″ × 8 ft shear is engineered to provide the right balance of stiffness, durability, and maintenance simplicity for light-to-medium gauge work in production and job-shop environments.
Frame & guillotine beam
- Heavy welded steel frame resists twist and deflection along the full 96″ cutting width for square, consistent parts.
- Guillotine-style upper beam guided on precision surfaces to maintain blade parallelism and cut quality.
- Structural members and pivot points sized for continuous 4 mm duty, delivering long-term accuracy with proper maintenance.
Blade system & gap adjustment
- Upper and lower blades suitable for mild steel, stainless, and aluminum within the rated 4 mm capacity (blade material options typically available).
- Multiple cutting edges (per blade design) can be rotated to extend service life between re-sharpenings.
- Adjustable blade gap to match material thickness and hardness, controlling burr, edge draw, and cutting load.
- For thin stainless or cosmetic work, tight blade gap and correct rake angle help minimize twist, bow, and marking on the cut edge.
Sheet support, squaring & handling
Handling 4 × 8 sheets efficiently requires proper support and clear alignment references. The Umprotech 0.157″ × 8 ft shear includes support, squaring, and visual aids to help operators maintain productivity and accuracy.
- Front support arms support the leading edge of 8 ft sheets and reduce operator fatigue.
- Precision squaring arm with scale helps ensure accurate first cuts and square blanks for cabinets, enclosures, and frames.
- Optional front stops or extended supports (where available) can increase throughput on high-volume, repetitive length cutting.
- Shadow line / LED cut indicator provides a visible cutting line along the bed, aiding alignment of scribed or printed marks.
- Rear area can be configured with simple offload tables, scrap bins, or return systems to fit your workflow and material flow.
Hydraulic & electrical systems (overview)
Hydraulic system
- Industrial hydraulic power unit sized for repeated 0.157″ × 96″ cutting in light-to-medium gauge production.
- Hydraulic actuation of the guillotine beam and hold-downs for smooth motion and secure clamping.
- Reservoir and filtration designed to maintain oil cleanliness and stable operating temperature.
- Pressure-limiting and relief valves help protect pumps and actuators from abnormal loading or misfeeds.
Electrical system
- Designed for three-phase industrial power (e.g. 230/460 V, 60 Hz in US plants), with final configuration confirmed at quotation.
- Main electrical cabinet with lockable main disconnect for LOTO and plant safety compliance.
- Control transformer provides reduced-voltage control circuits for operator and system safety.
- Use of recognized-brand electrical components (contactors, breakers, relays) simplifies maintenance, troubleshooting, and spare-parts sourcing.
Safety features
Safety is central to the design of the 0.157″ × 8 ft shear, particularly in multi-operator and mixed-process environments common in North American fabrication shops.
- Fixed and interlocked guarding around key moving components and at the rear of the machine.
- Hydraulic hold-downs clamp the sheet along the cutting line, limiting part movement and sheet kick-up during the cut.
- Foot pedal actuation with protective shroud and safety reset concept for hands-free cutting while keeping the operator clear of moving components.
- Emergency stop pushbuttons located at or near the operator station and other key positions.
- Options for light curtains, fenced cells, and interlocked access gates can help integrate the shear into plant-wide safety systems and risk assessments.
Final compliance with OSHA and other applicable standards depends on the specific installation, risk assessment, guarding, and procedures implemented at the customer site.
Budgetary pricing
The Umprotech Hydraulic Guillotine Shear – 0.157″ (4 mm) × 8 ft, E21S is positioned as an industrial NC shear for light-to-medium gauge work, offering higher throughput and repeatability than manual shears while avoiding the size and cost of heavy-plate machines.
Final pricing will depend on:
- Selected options (blade/tooling packages, extra supports, safety upgrades, integration work, etc.).
- Electrical configuration, documentation, and any corporate standards for components and safety.
- Freight, offloading, on-site installation, and commissioning requirements.
- Any custom fixturing, guarding, or automation required for your layout and processes.
For accurate budgeting and ROI analysis, a formal quotation aligned with your material mix, part sizes, and annual volume is recommended.
Implementation & support for US shops
We collaborate with US job shops, OEMs, and contract manufacturers to ensure smooth installation and rapid ramp-up for 4 mm sheet work.
- Pre-installation review: power requirements, floor loading, rigging access, material flow, and safety zoning.
- Application support: guidance on blade gap, rake concepts, and hold-down settings for your specific materials and thicknesses.
- Job setup & programming: assistance with initial job memories, backgauge setups, and blanking strategies for your most common parts.
- Operator training: safe startup, daily checks, and best practices for consistent quality and throughput.
Next step: Send us sample part drawings or material specs (DXF/STEP/PDF or dimensional prints) and we’ll confirm fit, cycle time, and recommended configuration for your workflow and production goals.
Advanced technical notes for engineers
Control philosophy & operating modes
- Single-stroke mode: one actuation of the foot pedal (with the safety chain satisfied) initiates a single cutting cycle.
- Automatic/batch mode: E21S manages repeated cycles according to programmed backgauge positions and batch counts while the operator feeds material.
- Setup/manual functions: jog and setup functions (as configured) assist with inspection, backgauge verification, and maintenance.
- Safety chain: E-stops, guards, and any presence-sensing devices (if installed) form a safety chain that must be satisfied before a stroke is permitted.
Typical cutting sequence
- Operator loads a 4 mm sheet onto the front supports and squares it to the backgauge and squaring arm.
- The control verifies that all safety interlocks (guards, E-stops, etc.) are in a safe state.
- Operator actuates the foot pedal or start command in the chosen mode (single or automatic).
- Hydraulic hold-downs clamp the sheet along the cutting line.
- The guillotine beam travels downward, completing the cut, and returns to the upper position.
- Hold-downs release; blanks or offcuts are removed or transferred to downstream processes.
- In automatic mode, the E21S indexes the backgauge (if programmed) and updates stroke/batch counters.
Preventive maintenance – general guidelines
- Daily: clear scrap/scale, check for leaks, verify basic function of hold-downs, backgauge, and foot pedal; perform quick visual blade inspection.
- Weekly: inspect blade edges; confirm backgauge repeatability on a test coupon; listen for abnormal noise or vibration.
- Monthly: inspect hydraulic hoses and fittings; verify emergency stop and guard-interlock operation.
- Periodic (per manual): hydraulic oil and filter changes, blade rotation/sharpening, bolt re-torque, and inspection of electrical terminals and grounding.
FAQ – Umprotech Hydraulic Guillotine Shear 0.157″ × 8 ft, E21S
What is the maximum cutting capacity?
This model is designed for a maximum cutting capacity of approx. 0.157″ (4 mm) in typical mild steel within manufacturer-specified parameters. Capacity for stainless and high-strength steels depends on grade, hardness, and setup and should be confirmed for critical applications.
Can it cut stainless steel and aluminum?
Yes. The shear can process mild steel, stainless steel, and aluminum within the rated 4 mm range. For best results, use appropriate blade materials and set the blade gap and rake correctly for each material type and thickness.
What is the maximum cutting length?
The machine provides an 8 ft (96″) cutting length, suitable for full 4 × 8 sheets and common panel sizes used in cabinets, enclosures, HVAC, and general metal fabrication.
Is this shear suitable for high-mix/low-volume production?
Yes. With job memory and programmable backgauge, the machine is well suited for high-mix/low-volume light-to-medium gauge production, as well as repeat orders and contract manufacturing programs.
Can it be integrated into a fabrication cell?
The shear is commonly used as a blank-prep station feeding press brakes, laser cutting cells, punch presses, and welding stations. Integration with simple conveyors or racks can be evaluated to match your layout and safety requirements.
What power does it require?
The machine is typically configured for three-phase industrial power (for example 230/460 V, 60 Hz in North America). Exact voltage and frequency are confirmed at quotation to match your plant standards.
How much training is needed for operators?
The E21S NC interface is straightforward. Operators familiar with manual or stomp shears usually adapt quickly, learning to enter lengths, quantities, and select stored jobs with a relatively short training window.
Glossary of key terms (for non-specialists)
- Guillotine shear – a shear where a straight upper blade moves vertically past a fixed lower blade to cut sheet or plate.
- Backgauge – a movable, often motorized stop that sets the cut length by positioning the trailing edge of the sheet.
- Hold-downs – hydraulic devices that clamp the sheet along the cutting line during the cut to prevent movement.
- Blade gap – the controlled clearance between upper and lower blades, adjusted for thickness and hardness.
- Rake angle – the angle of the upper blade relative to the lower blade, influencing tonnage, twist, and cut quality.
- NC controller (E21S) – a numerical control unit that manages backgauge and cutting functions; simpler than full CNC but ideal for standard shearing operations.
- FOB – “Free On Board”; price at the manufacturer’s plant, excluding freight, duties, taxes, and local installation costs.
