Toner Metering Blade Stainless Steel Precision Etched Doctor Blade
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Product parameters
Parameter | Specification |
Material | Stainless Steel (SUS301 / SUS304 / SUS316 optional) |
Thickness | 0.02 mm – 0.5 mm |
Length | Customizable |
Width | Customizable |
Edge Type | Flat edge / Serrated edge / Fine tooth edge |
Tooth Pitch | Custom (based on design) |
Tolerance | ±0.005 mm – ±0.02 mm |
Surface Treatment | Cleaning / Polishing / Passivation |
Process | Chemical Etching / Laser Cutting (optional) |
Hardness | According to material (HV / HRC optional) |
Flatness | High precision controlled |
Burr Condition | Burr-free |
MOQ | Small batch acceptable |
OEM/ODM | Supported (based on drawings or samples) |
Product Description
Description:
This toner metering blade is manufactured from high-quality stainless steel using precision chemical etching technology, ensuring consistent toner distribution and stable print quality. The fine serrated edge design enhances toner control performance, making it ideal for laser printers and copier components requiring high precision and durability.
Applications:
Laser printers
Copiers
Toner cartridges
Office equipment consumables
Precision Etched Toner Metering Blade: Burr-Free Edge & Micron-Level Thickness Control
In the intricate mechanics of laser printing, the toner metering blade—often called a doctor blade—is a small but critical component. Its job is simple yet vital: to regulate the thin film of toner on the developer roller, ensuring a uniform layer for precise electrostatic transfer. As print resolutions climb and machine speeds increase, the margin for error shrinks. This is where precision engineering becomes non-negotiable.
At our factory, we use advanced chemical etching technology to produce high-precision toner metering blades that outperform traditional mechanically processed parts. Unlike stamping or laser cutting, our etching process delivers completely burr-free edges and zero mechanical stress—two factors essential for protecting sensitive OPC drums and extending printer lifespan. With micron-level thickness control and the ability to create complex serrated geometries, we ensure consistent print density and reliable component performance.
Why Chemical Etching Outperforms Stamping for Metering Blades
When sourcing precision metal components like doctor blades, the manufacturing process directly impacts the part’s physical properties. While traditional stamping works for low-precision applications, chemical etching offers distinct advantages for high-performance printer parts:
- Completely Burr-Free Edges: The most critical advantage of our etching process is edge quality. Stamping shears metal, leaving microscopic burrs or “rollover” on the edge. In a printer, these burrs act like tiny knives, scratching the OPC drum or magnetic roller and causing permanent print defects. Our chemical etching dissolves metal atom by atom, creating smooth, burr-free edges that glide over drum surfaces without wear.
- Zero Mechanical Stress: Stamping applies intense physical force, which can alter the grain structure and hardness of thin stainless steel, leading to warping or residual stress. Chemical etching is a non-contact, cold process that preserves the metal’s original properties. This ensures blades remain perfectly flat and retain their elasticity—key for maintaining consistent contact pressure across the drum.
- Complex Geometry & Tight Tolerances: Our factory can etch minimum apertures down to 0.1mm, enabling us to produce intricate serrated edges with uniform tooth spacing. This level of detail would be impossible or prohibitively expensive with stamping dies. We precisely control the “land” and “gap” of serrations to optimize toner flow for specific printer models.
Material Expertise: Preserving Stainless Steel Performance
Chemical etching works with nearly any metal alloy, but for toner metering blades, we specialize in high-grade stainless steels like SUS301-CSP and SUS304. SUS301-CSP is particularly popular for metering blades due to its high yield strength and excellent spring properties. Because etching doesn’t compromise the material’s temper, we maintain the exact hardness (Hv) needed for blades to flex correctly within cartridge assemblies. Whether your design requires a rigid blade or one with tailored flexibility, our process preserves the material’s inherent mechanical properties.
Technical Specifications
Here are the standard capabilities for our precision etched blades, designed to help engineers and procurement teams select the right component:
Parameter | Standard Capability | Advanced Capability |
|---|---|---|
Material | SUS301, SUS304, SK85 | Custom Alloys |
Thickness Range | 0.05mm – 0.5mm | 0.02mm – 1.0mm |
Tolerance | ±0.01mm | ±0.005mm (Half-Etch) |
Edge Condition | Serrated (Fine/Coarse) or Flat | Custom Profiles |
Surface Finish | Matte/Bright/Plated | Nickel/Gold Plating |
Flatness | <0.5mm per 100mm | <0.2mm per 100mm |
Quality Control: Precision You Can Measure
Precision means nothing without verification. At our facility, quality control is built into every step, from raw material inspection to final packaging. We use high-resolution 2D optical measuring instruments to verify serrated edge dimensions, measuring tip-to-tip tooth distance and etch depth with extreme accuracy. Microscopic inspection ensures edges are free of micro-burrs or chemical residue, and every batch undergoes flatness testing to guarantee the blade sits flush against the developer roller—preventing toner leakage or background fogging in prints.
Get in Touch for Precision Solutions
If you need a reliable partner to manufacture high-precision toner metering blades, our team is ready to review your technical specifications. We specialize in turning design concepts into mass-produced, high-performance components.
Contact: Luna
WhatsApp: 12132219094
We look forward to helping you achieve superior print quality with our precision-engineered components.
Questions and Answers
Frequently Asked Questions (FAQ)
Here are answers to common technical questions about our precision etched doctor blades:
Q: Can you customize the angle of the serrated edge?
A: Yes. One of the biggest benefits of chemical etching is the ability to adjust geometry without expensive hard tooling. We can modify the blade edge angle (e.g., 45°, 60°) and serration pitch to match your specific toner viscosity and drum speed requirements.
Q: How does cost compare to laser cutting for thin blades?
A: For thin stainless steel blades (under 0.5mm) with complex edges, chemical etching is often more cost-effective than laser cutting. Laser cutting can create heat-affected zones that warp thin metal, while etching is faster for high volumes and produces no thermal distortion.
Q: Do you offer surface treatments for blades?
A: Yes. While standard finish is clean stainless steel, we can apply surface treatments like nickel plating or specialized coatings to boost wear resistance or adjust the friction coefficient against the roller.
Q: What’s the minimum thickness you can etch?
A: Our production lines handle extremely thin foils. While standard metering blades are typically 0.1mm to 0.3mm thick, we can process materials as thin as 0.02mm for specialized micro-precision applications.
Factory Description
We have a full set of etching production equipment and mature processing technology. We can manufacture products in any shape with mesh sizes as small as 0.1mm, according to your requirements.
Our Advantage
Factory Direct Shipping
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Experienced Design and Manufacturing Team
We work closely with customers from the design phase to help avoid potential product flaws, ensuring both the functionality and design meet expectations.
Excellent Supply Chain Management
We can quickly adjust production schedules to meet your urgent deadlines, whether it's for large bulk orders or smaller rush orders.
OEM & ODM Support
We offer the option to print your logo or other customizations.
Strict Quality Control
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Certificate
商标6类
9001
质量认证
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Shenzhen Nkeyto Precision Hardware Co., Ltd. is a factory specializing in precision hardware processing, committed to providing customers with high-quality products and services.We look forward to working with you.
Contact Us
E-mail: luna@nkeyto.com
Tel: +1 213-221-9094
Add: 13th Building, 202, Dawangshan Second Industrial Zone, Dawangshan Community, Shajing Street, Bao'an District, Shenzhen, Guangdong Province
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