Mục lục
In modern mechanical manufacturing, the greatest challenge for production enterprises is ensuring that components achieve high precision during mass production while maintaining exceptional durability in harsh operating environments.
The answer lies in the perfect combination of mass-production CNC turning and hard chrome plating technology. This solution not only maximizes the service life of machine components but also enables businesses to optimize production costs per unit.
Mass lathe processing is the process of using an automated CNC lathe system to cut and shape metal according to design drawings in large quantities. This method ensures 100% uniformity among thousands of products, shortens processing time and minimizes human errors.
Hard chrome plating is a process of applying a thick layer of chromium to a metal surface via electrolysis. Unlike decorative chrome plating (which involves a very thin layer intended solely for a glossy finish), hard chrome plating focuses on technical properties:
Surface treatment is a process used to artificially create a layer on the surface of a base material that possesses physical, mechanical, and chemical properties distinct from those of the substrate. The purpose of surface treatment is to meet requirements regarding corrosion resistance, wear resistance, or other specific functional needs of the product.
To ensure flawless quality for every product in a large batch, the production process strictly adheres to four standard stages:
Stage 1: Mass CNC Turning
Stage 2: Pre-plating Surface Treatment
Stage 3: Mass Hard Chrome Plating Process
Stage 4: Post-treatment & Finishing
Rinsing to remove excess chemicals via multiple clean water baths, followed by drying. Perform precision cylindrical grinding or re-polishing if the part requires extremely tight dimensional tolerances.
Contact Information & Quotations
The answer lies in the perfect combination of mass-production CNC turning and hard chrome plating technology. This solution not only maximizes the service life of machine components but also enables businesses to optimize production costs per unit.
What is mass production turning?
Mass lathe processing is the process of using an automated CNC lathe system to cut and shape metal according to design drawings in large quantities. This method ensures 100% uniformity among thousands of products, shortens processing time and minimizes human errors.
What is hard chrome plating?
Hard chrome plating is a process of applying a thick layer of chromium to a metal surface via electrolysis. Unlike decorative chrome plating (which involves a very thin layer intended solely for a glossy finish), hard chrome plating focuses on technical properties:
- Superior hardness: Ranges from 60–70 HRC (800–1000 HV).
- Corrosion resistance & low friction: The plated surface features an extremely low coefficient of friction, along with high resistance to rust and chemicals.
Why is chrome plating necessary?
Surface treatment is a process used to artificially create a layer on the surface of a base material that possesses physical, mechanical, and chemical properties distinct from those of the substrate. The purpose of surface treatment is to meet requirements regarding corrosion resistance, wear resistance, or other specific functional needs of the product.
- Chrome plating minimizes friction and enhances product durability.
- It offers excellent wear resistance while increasing the material's durability and surface luster.
- The chrome coating is highly hard and silvery-bright in appearance; it is widely used in industries such as automotive manufacturing, machinery production, and the manufacture of consumer appliances.
Common machine components utilizing hard chrome plating technology
Thanks to its excellent friction and load-bearing resistance, this technology is widely applied across various industries:
- Hydraulic cylinder rods & shock absorber shafts: Applications requiring high surface finish and superior wear resistance during continuous, high-pressure operation.
- Industrial rollers & rolling shafts: Used in production lines for packaging, printing, textiles, and steel bars.
- Crankshafts, drive shafts & transmission components: Rotating parts requiring micrometer-level precision tolerances and low friction.
- Molds & specialized machine components: Prevents product adhesion to mold surfaces and extends maintenance intervals.
Technical Process for Mass-Production Turning and Hard Chrome Plating
To ensure flawless quality for every product in a large batch, the production process strictly adheres to four standard stages:
Stage 1: Mass CNC Turning
- Blank selection: Choosing suitable materials such as C45, SCM440, S45C, or SUS304 steel.
- Turning process: Configuring CNC programs for both rough and finish turning.
- Technical note: Initial turning dimensions must account for the thickness of the subsequent hard chrome plating layer.
Stage 2: Pre-plating Surface Treatment
- Degreasing: Removing chemical residues and machining lubricants from the workpiece surface using alkaline solutions or ultrasonic cleaning.
- Surface polishing: Eliminating roughness caused by turning tools; a smoother pre-plating surface ensures better adhesion and a glossier finish for the chrome layer.
- Acid cleaning/Surface activation: Immersing parts in a mild acid solution to activate the metal surface and enhance plating adhesion.
Stage 3: Mass Hard Chrome Plating Process
- Jig/Fixture setup: Designing specialized plating jigs to securely hold multiple parts and ensure uniform current distribution.
- Electrolytic chrome plating: Submerging the loaded jigs into an electrolytic plating bath containing Chromic Acid (CrO3) and Sulfuric Acid (H2SO4).
- Parameter control: Adjusting current density and immersion time to achieve the required plating thickness (typically 10–200 μm).
Stage 4: Post-treatment & Finishing
Rinsing to remove excess chemicals via multiple clean water baths, followed by drying. Perform precision cylindrical grinding or re-polishing if the part requires extremely tight dimensional tolerances.
Why choose hard chrome plating and turning services from Intech Mechanical?
- Cost savings: Achieved through mass production on automated lines and the optimization of materials and plating processes.
- Consistent quality: Ensures 100% of products in a batch feature completely uniform profiles and coatings.
- On-time delivery: High production capacity enables the timely fulfillment of large-volume domestic and export orders.
Contact Information & Quotations
- Hotline / Zalo: 0966 966 205
- Email: cokhichinhxac@intech-group.vn
- Workshop/Office Address: Lot 6, Lai Xa Industrial Cluster, Tay Tuu Ward, Hanoi City.
