1-4L Rectangular end making machine The Paint Can Rectangular End Making Machine is a specialized
industrial equipment designed for the high-volume production of
rectangular metal ends (lids/bottoms) used in paint cans, varnish
containers, and similar industrial packaging. This automated system
transforms metal coils or sheets into precisely formed ends that
ensure secure sealing, structural integrity, and compatibility with
standard rectangular paint can bodies. Key Features- Precision Stamping: Utilizes servo-driven or mechanical stamping
presses to achieve tight dimensional tolerances (typically within
±0.1mm) and consistent profile geometry.
- Automated Material Handling: Integrated decoiling, leveling, and
feeding systems enable continuous, high-speed operation with
minimal manual intervention.
- Multi-Stage Processing: Combines blanking, drawing, flanging,
curling, and sealing compound application in a single streamlined
process.
- Quick Changeover: Modular tooling and programmable settings allow
rapid switching between different end sizes and specifications.
Typical Workflow- Material Preparation: Steel or aluminum coil is uncoiled,
straightened, and cleaned.
- Blanking & Forming: Rectangular blanks are punched and
deep-drawn into the desired end shape.
- Edge Curling: The perimeter is curled to create a double-seam ready
profile for secure closure with the can body.
- Compound Lining: A precise bead of sealing compound (e.g.,
plastisol) is applied to the curl area to ensure an airtight seal.
- Inspection & Ejection: Automated vision systems or sensors
check for defects before ends are stacked or conveyed for assembly.
Technical Specifications (Example)| Parameter | Typical Range |
|---|
| Production Speed | 70–170 ends per minute | | Material Thickness | 0.18–0.35 mm (tinplate, TFS, or aluminum) | | End Dimensions | 60 × 80 mm to 160 × 260 mm | | Power Supply | 380–415 V, 3-phase, 15–30 kW |
Industry Applications- Paint & Coating Industry: Standard rectangular paint cans,
varnish tins, wood stain containers
- Chemical Packaging: Solvent cans, adhesive containers, industrial
compound packaging
- Specialty Uses: Custom-sized metal ends for technical or
promotional packaging
This machine enhances production efficiency, reduces material
waste, and ensures consistent quality—critical factors for meeting
industry standards (e.g., DIN, ASTM) and maintaining leak-proof
performance in demanding storage and transport conditions. Modern
versions often include IoT-enabled monitoring for predictive
maintenance and production analytics. |
