Industry-Verified Manufacturing Data (2026)

Stacking Mechanism

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Stacking Mechanism used in the Electrical Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Stacking Mechanism is characterized by the integration of End-Effector (Gripper/Vacuum Cup) and Servo Actuator (Linear/Rotary). In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precision mechanism that sequentially stacks electrical steel laminations to form the rotor core of an electric motor.

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Product Specifications

Technical details and manufacturing context for Stacking Mechanism

Definition
The stacking mechanism is a critical component within an Electric Motor Rotor Lamination Stacking and Welding Machine. Its primary function is to accurately pick up individual electrical steel laminations (typically stamped or laser-cut) from a feeder system and precisely stack them onto a mandrel or arbor in a predetermined sequence and orientation. This process builds the rotor core assembly, ensuring proper alignment of laminations to minimize eddy current losses and achieve the required magnetic and mechanical properties for the finished rotor.
Working Principle
The mechanism typically operates via a servo-driven pick-and-place system. A gripper or vacuum cup end-effector retrieves a single lamination from a magazine or conveyor. The mechanism then translates and/or rotates to align the lamination's keyway or other registration features with those on the stack or mandrel. It places the lamination onto the growing stack with controlled force. The process repeats for each lamination, often with periodic checks for stack height and alignment. Advanced systems may include vision systems for orientation verification and mechanisms to apply inter-lamination insulation or adhesive.
Common Materials
Carbon Steel, Aluminum Alloy, Precision Linear Bearings
Technical Parameters
  • Stacking Accuracy (Radial & Axial) (mm) Customizable
Components / BOM
  • End-Effector (Gripper/Vacuum Cup)
    Securely picks up and releases individual laminations.
    Material: Aluminum Alloy / Polyurethane
  • Servo Actuator (Linear/Rotary)
    Provides precise motion for positioning the end-effector.
    Material: Steel Housing, Copper Windings
  • Frame & Guide Rails
    Provides rigid structural support and ensures straight-line motion.
    Material: Carbon Steel
  • Sensors (Proximity/Vision)
    Detects lamination presence, verifies orientation, and monitors stack position.
    Material: Stainless Steel, Glass, Silicon
Engineering Reasoning
0.5-2.5 kN stacking force, 0.01-0.05 mm lamination positioning tolerance, 20-60 laminations per minute stacking rate
Stacking force exceeding 3.0 kN causes permanent deformation of lamination edges, positioning error exceeding 0.08 mm results in core misalignment, stacking rate below 15 laminations per minute indicates mechanical wear
Design Rationale: Elastic-plastic deformation of electrical steel (Fe-3%Si) beyond yield strength of 350 MPa at lamination edges, cumulative positioning errors exceeding Gaussian distribution 3σ tolerance, progressive wear of cam-follower mechanism reducing mechanical advantage below design factor of 1.5
Risk Mitigation (FMEA)
Trigger Electromagnetic interference from adjacent high-current windings inducing eddy currents of 15-25 A in stacking mechanism components
Mode: Progressive thermal expansion of aluminum guide rails exceeding 0.2 mm at 85°C, causing binding and misalignment
Strategy: Install mu-metal shielding with 80 dB attenuation at 50-500 Hz, implement active cooling maintaining component temperature below 65°C
Trigger Resonant vibration at 120 Hz matching natural frequency of stacking arm due to unbalanced rotor mass of 0.8-1.2 g·cm
Mode: Fatigue cracking at stress concentration points exceeding 180 MPa cyclic stress, leading to catastrophic fracture after 10^6 cycles
Strategy: Dynamic balancing to 0.4 g·cm residual unbalance, redesign with fillet radius of 3 mm at stress concentration points, apply shot peening to induce 400 MPa compressive surface stress

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Stacking Mechanism.

precision stacking mechanism for rotor cores electrical steel lamination stacking equipment motor rotor core assembly automation linear bearing stacking mechanism for motors servo actuator lamination stacking system

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Ambient atmospheric pressure only
other spec: Lamination thickness tolerance: ±0.01mm, Stacking accuracy: ±0.05mm, Cycle rate: 60-120 laminations/minute
temperature: 15-35°C (operating), 5-45°C (storage)
Media Compatibility
✓ Electrical steel laminations (silicon steel) ✓ Insulation-coated laminations ✓ Pre-punched rotor core blanks
Unsuitable: Corrosive environments (high humidity, chemical exposure)
Sizing Data Required
  • Maximum lamination diameter (mm)
  • Lamination thickness range (mm)
  • Required stacking force (N)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Misalignment-induced wear
Cause: Incorrect installation or foundation settling causing uneven load distribution and accelerated component degradation
Motor/actuator overload failure
Cause: Excessive stacking load or frequent jamming leading to thermal stress and electrical component burnout
Maintenance Indicators
  • Unusual grinding or scraping noises during operation indicating mechanical interference
  • Inconsistent stacking patterns or product misplacement signaling control system drift
Engineering Tips
  • Implement laser alignment verification during installation and quarterly inspections to ensure proper mechanical geometry
  • Install load monitoring sensors with automatic shutdown triggers to prevent overload conditions and provide predictive maintenance data

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI MH14.1-2021 - Industrial Storage Racks DIN 15185-1:2016 - Industrial Trucks - Safety Requirements
Manufacturing Precision
  • Vertical Alignment: +/-0.5mm per meter
  • Load Bearing Surface Flatness: 0.2mm
Quality Inspection
  • Non-Destructive Testing (NDT) - Ultrasonic Testing
  • Load Capacity Verification Test

Factories Producing Stacking Mechanism

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

T Technical Director from Singapore Feb 11, 2026
★★★★★
"The Stacking Mechanism we sourced perfectly fits our Electrical Equipment Manufacturing production line requirements."
Technical Specifications Verified
P Project Engineer from Germany Feb 08, 2026
★★★★☆
"Found 28+ suppliers for Stacking Mechanism on CNFX, but this spec remains the most cost-effective. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Brazil Feb 05, 2026
★★★★★
"The technical documentation for this Stacking Mechanism is very thorough, especially regarding technical reliability."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

11 sourcing managers are analyzing this specification now. Last inquiry for Stacking Mechanism from Mexico (1h ago).

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Frequently Asked Questions

What materials are used in this stacking mechanism?

The mechanism is constructed from carbon steel and aluminum alloy for durability, with precision linear bearings for smooth operation and accurate stacking of electrical steel laminations.

How does this mechanism handle different lamination sizes?

It uses adjustable end-effectors (grippers or vacuum cups) combined with proximity or vision sensors to detect and adapt to various lamination dimensions during the stacking process.

What types of actuators are compatible with this stacking system?

The mechanism is designed to work with both linear and rotary servo actuators, providing flexibility for different production line configurations and stacking requirements.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Electrical Equipment Manufacturing sector.

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