INDUSTRY COMPONENT

Feed Dog Bar/Carrier

A feed dog bar/carrier is a mechanical component in material feed mechanisms that precisely advances materials through processing equipment.

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Component Specifications

Definition
The feed dog bar/carrier is a critical component in industrial material feed systems, typically found in sewing machines, packaging equipment, and automated assembly lines. It consists of a rigid bar or carrier structure that supports and drives feed dogs (toothed elements) to grip and advance materials with controlled precision. This component ensures consistent material positioning, tension control, and synchronization with other machine operations.
Working Principle
The feed dog bar/carrier operates on a reciprocating or rotary motion principle, transferring mechanical energy from the machine's drive system to the feed dogs. As the bar/carrier moves, it elevates the feed dogs to engage material surfaces, then retracts them during return strokes. This creates an intermittent advancement pattern that allows precise control over material feed rates and positioning.
Materials
Typically manufactured from hardened steel (AISI 4140 or similar), stainless steel (304 or 316 grade for corrosion resistance), or aluminum alloys (6061-T6 for lightweight applications). Surface treatments may include nitriding, chrome plating, or PTFE coatings for wear resistance.
Technical Parameters
  • Width 20-50mm
  • Height 15-40mm
  • Length 150-500mm (customizable)
  • Weight 0.5-3.0kg
  • Load Capacity 50-200N
  • Surface Hardness 45-60 HRC
  • Operating Temperature -10°C to 80°C
Standards
ISO 9001, DIN 7182, ISO 2768

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Feed Dog Bar/Carrier.

feed dog bar material feed carrier industrial feed mechanism sewing machine feed packaging equipment feed automated material advancement Feed Dog Bar/Carrier Feed Dog Bar/Carrier in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Material Feed Mechanism

A mechanical system that precisely advances leather material through an industrial stitching machine.

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Engineering Analysis

Risks & Mitigation
  • Material slippage due to worn teeth
  • Misalignment causing uneven feed
  • Fatigue failure from cyclic loading
  • Corrosion in humid environments
FMEA Triads
Trigger: Insufficient lubrication
Failure: Increased friction and premature wear
Mitigation: Implement scheduled lubrication and use wear-resistant coatings
Trigger: Overloading beyond design capacity
Failure: Structural deformation or fracture
Mitigation: Install load sensors and implement overload protection systems

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
±0.1mm for critical dimensions, ±0.05mm for engagement surfaces
Test Method
Dimensional verification with CMM, load testing with hydraulic actuators, wear testing with material samples

Buyer Feedback

★★★★☆ 4.6 / 5.0 (31 reviews)

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Feed Dog Bar/Carrier arrived with full certification."

"Great transparency on the Feed Dog Bar/Carrier components. Essential for our Machinery and Equipment Manufacturing supply chain."

"The Feed Dog Bar/Carrier we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

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Frequently Asked Questions

What maintenance does a feed dog bar/carrier require?

Regular lubrication of moving parts, inspection for wear on engagement surfaces, and alignment checks to ensure proper material feed.

Can feed dog bars be customized for different materials?

Yes, tooth patterns, materials, and surface treatments can be customized based on material thickness, texture, and feed requirements.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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