Chalco Aluminum provides ISO9001, SGS, and ROHS-certified aluminum drilling entry sheets in alloy series 1100, 3003, and 3105, with customizable dimensions and thicknesses to meet specific client requirements. The application of a lubricating surface coating further enhances the usability of the product, ensuring high precision and premium quality during the drilling process.Quick Quote
Chalco's aluminum drilling entry sheets are the ideal choice for PCB manufacturing, widely used in the electronics industry for drilling processes on aluminum-based substrates and heat dissipation plates. Their outstanding performance significantly improves hole position accuracy, reduces drill wear, extends drill life, and boosts production efficiency.
Key Features of Chalco Aluminum Drilling Entry Sheets
1. High Thermal Conductivity:The aluminum material effectively dissipates heat, reducing drill bit temperatures and minimizing the risk of resin buildup in the chip grooves.
2. Superior Flatness and Surface Hardness:These properties ensure drilling precision, reduce drill deflection, and prevent drill breakage, enabling a smooth and reliable manufacturing process.
3. Burr Reduction:With high surface hardness and material rigidity, burr formation is significantly minimized, resulting in improved hole wall quality.
4. Circuit Board Protection:The aluminum drilling entry sheets safeguard circuit boards by preventing scratches and pressure marks, ensuring the integrity of the PCB surface.
For customized specifications and further details, Contact Chalco Aluminum today to discuss how our products can enhance your PCB production process.
Chalco aluminum PCB entry sheet specification
| Specification | |
| Alloy grade | 1000, 3000, 5000, 8000 |
| Alloy | 1050/1060/1100/3003/3004/3105/8011 etc. |
| Temper | H18, H19 etc. |
| Thickness | 0.12-0.25mm |
| Length | 790-1300mm or production by roll |
| Width | 1244/1245mm etc. and customizable |
| Tolerance |
Thickness(mm): +/-5% * Width(mm): +0.5 /-0mm Length(mm): +0.5/-0mm Diagonal line (mm):≤0.5mm |
| Lubricant coating | resin lubricant, liquid lubricant, solid lubricant, oily lubricant etc. |
| Standard | ASTM B209, EN 485, ISO9001, SGS, ROHS |
Chalco PCB aluminum entry sheet hot selling products
1100 H18 PCB aluminum entry sheet
- Aluminum content is 99.00%;
- High corrosion resistance, conductivity, and thermal conductivity;
- Low density and good plasticity, various aluminum materials can be produced through pressure processing;
- Low strength, but good ductility.
1060 H18 PCB aluminum entry sheet
- Aluminum content is 99.6%, also known as pure aluminum substrate;
- Good elongation and tensile strength;
- High plasticity, corrosion resistance, conductivity, and thermal conductivity.
3003 H18/H19 PCB aluminum entry sheet
- Cold working methods are usually used to improve its mechanical properties, and it has high plasticity in the annealed temper;
- Having good molding and processing characteristics, high corrosion resistance;
- Good weldability, conductivity, and thermal conductivity.
3105 H18/H19 PCB aluminum entry sheet
- Good rust prevention performance and good conductivity and thermal conductivity;
- After cold processing, its mechanical properties are higher and its surface is smoother.
Chalco coated PCB aluminum entry sheet
Chalco coated PCB aluminum entry sheet can effectively improve hole position accuracy, reduce drill bit wear and thickness, reduce needle breakage rate, reduce drill bit drilling path, and improve production efficiency and drill bit life.
Chalco coated aluminum PCB aluminum entry sheet products mainly include:
- Resin coated aluminum entry sheet
- High performance resin coated aluminum entry sheet
- White coated aluminum entry sheet
- Laminated aluminum veneer
Chalco Lubricating aluminum entry sheet
Chalco aluminum lubrication material has both water-soluble and hot-melt material. These materials can improve the quality of the hole wall, increase the number of drilling stacks, and extend the service life of the drill tip.
- Lubricating the heat dissipation of the drill bit, improving the quality of the hole wall, reducing the roughness and burrs of the hole wall;
- Completely water-soluble, easy to clean, without the risk of adhesive residue;
- Fix the drill bit to prevent it from swinging, improve hole position accuracy and drilling efficiency;
- Extend the service life of the drill bit and reduce drilling breakage.
Application fields of Chalco PCB aluminum entry sheet
Chalco aluminum drilling board can be used for double-sided and multi-layer circuit boards to meet the performance and cost requirements of general PCB drilling.
Drilling processing: as the drilling substrate, ensuring drilling quality and accuracy, and improving production efficiency;
Printing production: as the printing board substrate, ensuring flatness and smoothness, and improving printing quality;
Heat conduction: used as a heat dissipation substrate to improve the heat dissipation performance of electronic components;
Electromagnetic shielding: used as a shielding board to improve electromagnetic shielding performance;
Other applications: such as heat dissipation plates and conductive plates in LED lighting fixtures, automotive electronics, and other fields.
In summary, Chalco PCB aluminum drilling board is an important PCB production material, widely serving the electronics industry, with broad application prospects and market demand.
Why choose Chalco PCB aluminum entry sheet?
Choosing Chalco's aluminum drilling entry sheets for PCB manufacturing ensures you benefit from superior processing quality, precise dimensional control, and fully customizable options tailored to your production needs.
1. Superior Processing Quality
Chalco strictly monitors the processing quality of aluminum sheets, guaranteeing the following characteristics:
- Smooth and Clean Surface: Free from grease and impurities, minimizing friction during drilling and enhancing hole precision.
- Flat and Even Surface: Prevents deflection during drilling, ensuring accurate hole positioning.
- Uniform Color: Reflects high-quality material selection and advanced processing techniques.
- Spot-Free and Pinhole-Free Finish: Ensures consistency and reliability across all sheets.
2. Precision Dimensional Control
Chalco leverages advanced cutting technology to deliver unmatched dimensional precision:
- Diagonal Tolerance within ±0.5 mm/m: Guarantees accurate dimensions, meeting the demands of high-precision machining.
- Maximum Edge-to-Wave Ratio Control of 0.2%: Ensures sheet flatness, enhancing stability during processing.
3. Customization Options
We offer a variety of customizable features to meet diverse customer requirements:
- Custom Sizes: Tailored to your specific project needs.
- Coating and Lubrication Options: Choose from water-soluble and hot-melt coatings to reduce friction and improve heat dissipation.
- Improved Hole Position Accuracy: Prevents burring, reduces drill wear, and extends drill lifespan.
- Contact Chalco today to explore our product range and find the ideal solution for your PCB manufacturing needs.Quick Quote
Chalco PCB aluminum entry sheet chemical composition
| Chalco aluminum entry sheet chemical composition | |||||||
| 1050 | 1060 | 1100 | 3003 | 3004 | 3105 | 8011 | |
| Si | 0.25 | 0.25 | 0.95 | 0.6 | 0.3 | 0.6 | 0.6 |
| Fe | 0.40 | 0.35 | 0.7 | 0.7 | 0.7 | 0.7 | |
| Cu | 0.05 | 0.05 | 0.05-0.20 | 0.05-0.20 | 0.25 | 0.3 | 0.05-0.20 |
| Mn | 0.05 | 0.03 | 0.05 | 1.0-1.5 | 1.0-1.5 | 0.3-0.8 | 1.0-1.5 |
| Mg | 0.05 | 0.03 | - | - | 0.8-1.3 | 0.2-0.8 | - |
| Cr | - | - | - | - | - | 0.20 | - |
| Ni | - | - | - | - | - | - | - |
| Zn | 0.05 | 0.05 | 0.10 | 0.10 | 0.25 | 0.40 | 0.10 |
| V | 0.05 | 0.05 | - | - | - | - | - |
| Ti | 0.03 | 0.03 | - | - | - | 0.10 | - |
| Zr | 0.03 | 0.03 | 0.05 | - | - | - | - |
| Other: single | - | - | 0.15 | 0.05 | 0.05 | 0.05 | 0.05 |
| Other: total | - | - | - | 0.15 | 0.15 | 0.15 | 0.15 |
| AL | 99.50 | 99.60 | 99.00 | Reminder | Reminder | Reminder | Reminder |
Chalco PCB aluminum entry sheet mechanical property
| Chalco aluminum entry sheet mechanical property | ||||||
| Alloy | Temper | Thickness (mm) | Tensile strength (Mpa) | Yield strength (Mpa) | Elongation (%) | |
| standard value | standard value | A | A50mm | |||
| Not less than | ||||||
| 1050 | H18 | 0.12-0.20 | 140 | - | - | - |
| 0.20-0.25 | 130 | - | - | 1 | ||
| 1060 | H18 | 0.12-0.20 | 140 | - | - | - |
| 0.20-0.25 | 125 | 85 | - | 1 | ||
| 1100 | H18 | 0.12-0.20 | 140 | - | - | - |
| 0.20-0.25 | 150 | - | - | 1 | ||
| 3003 | H18 | 0.12-0.20 | 190 | - | - | 1 |
| 0.20-0.25 | 190 | 170 | - | 1 | ||
| H19 | 0.12-0.20 | 210 | - | - | 1 | |
| 0.20-0.25 | 210 | 180 | - | 1 | ||
| 3004 | H18 | 0.12-0.20 | 260 | - | - | 1 |
| 0.20-0.25 | 260 | 230 | - | 1 | ||
| H19 | 0.12-0.20 | 270 | - | - | 1 | |
| 0.20-0.25 | 270 | 240 | - | 1 | ||
| 3105 | H18 | 0.12-0.20 | 195 | - | - | 1 |
| 0.20-0.25 | 195 | 180 | - | 1 | ||
| H19 | 0.12-0.20 | 215 | - | - | 1 | |
| 0.20-0.25 | 215 | 190 | - | 1 | ||
| 8011 | H18 | 0.12-0.20 | 160 | - | - | - |
| 0.20-0.25 | 165 | - | - | 1 | ||
| H19 | 0.12-0.20 | 170 | - | - | - | |
| 0.20-0.25 | 175 | - | - | 1 | ||
Procurement Guide for Aluminum Drilling Entry Sheets for PCB
When sourcing aluminum drilling entry sheets for printed circuit board (PCB) applications, the following guide will help you make an informed decision:
1. Material Selection
Common Alloys: Popular alloys include 1050, 1060, 1100, 3003, 3004, 3105, and 8011.
Material Characteristics: Different alloys have distinct mechanical properties and chemical compositions. Select the material based on the specific requirements of your application.
2. Specification Requirements
Thickness: Typically ranges from 0.12 mm to 0.25 mm, with common thicknesses being 0.14-0.18 mm.
Dimensions: Standard widths are 1244 mm or 1220 mm, with lengths customizable to specifications such as 1092 mm, 1041 mm, 940 mm, etc.
Tolerances: Ensure thickness tolerances are within ±0.005 mm, and width/length tolerances within ±1 mm for precise processing.
3. Surface Quality
Cleanliness: The surface should be free of grease and impurities to ensure smooth drilling operations.
Flatness: Sheets should be flat and free of visible waves or deformation to maintain drilling precision.
4. Performance Requirements
Thermal Conductivity: Aluminum's excellent thermal conductivity aids in dissipating heat during drilling, preventing drill overheating.
Hardness: Optimal surface hardness reduces burrs during drilling, improving hole wall quality.
Rigidity: Adequate rigidity prevents vibrations during drilling, ensuring accurate hole positioning.
5. Coating Options
Lubrication Coatings: Some sheets feature a resin-based lubrication coating, reducing drill wear and enhancing drilling quality.
Water-Soluble or Hot-Melt Coatings: Choose coating types based on cleaning requirements to ensure smooth subsequent processes.
6. Supplier Evaluation
Quality Control: Select suppliers with stringent quality control systems to guarantee product consistency and reliability.
Certifications: Prioritize suppliers with ISO9001, SGS, ROHS certifications to ensure compliance with international standards.
Customization Capabilities: Opt for suppliers who can deliver tailored dimensions and performance based on your specific requirements.
7. Packaging and Transportation
Packaging: Ensure products are packaged to prevent moisture and oxidation. Use materials like HDPE wrapping, wooden crates, or pallets to avoid transit damage.
Storage Conditions: Store products at room temperature, away from direct sunlight and humidity, to preserve their performance.
By following this guide, you can select the most suitable aluminum drilling entry sheets, ensuring high-quality and efficient PCB manufacturing processes. For further assistance or to explore Chalco’s customized solutions, feel free to contact us today!
Chalco can provide you the most comprehensive inventory of aluminum products and can also supply you customized products. Precise quotation will be provided within 24 hours.
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