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We use various finishing techniques at Shengen in the fabrication process. The brushed metal is one of the most popular finishes. This technique enhances metal parts’
Hard coat anodizing, or Type III anodizing, produces a thick oxide layer on the surface of metal parts. This process uses an electrolytic solution, typically sulfuric acid, to create the oxide layer. The thickness of the oxide layer created during hard coat anodizing is usually between 25 to 250 microns, depending on the specific requirements.
CNC drilling is a process in which a CNC machine drills holes in materials. The machine follows exact instructions from a computer program, ensuring holes are drilled with precise size, depth, and location. This process is key to component manufacturing and product production and is used in various industries.
Laser etching aluminum means using a focused laser beam to mark the surface of the metal. The laser heats the surface and changes its top layer. This creates a visible mark. The laser doesn’t cut deep into the metal. It only changes the color or texture of the surface.
Sheet metal tolerances refer to the allowable limits of variation in a part’s size, shape, or feature location. They define how much a measurement can shift from the intended design. Tolerances apply to dimensions such as part length, width, hole size, and bend angles. They help manufacturers determine when a part meets specifications or needs to be remade. Without precise tolerances, parts may not fit or function well.
Spot welding is a type of resistance welding. It uses copper electrodes to clamp two metal sheets and pass electrical current through them. The heat comes from the metal’s resistance to the current. This heat melts the metal at the point of contact. The pressure from the electrodes helps fuse the metal together as it cools.
Anodizing aluminum is an excellent way to add durability and aesthetic appeal to your products. However, achieving the right anodized color can be tricky. If
Zinc plating, also called zinc electroplating or galvanizing, is the process of adding a thin zinc layer to a metal surface. The primary purpose is to protect the metal underneath from rust and corrosion. Zinc serves as a sacrificial anode, meaning it will corrode before the metal underneath does.
Brass extrusion is a process that shapes brass by pushing a heated block through a mold, called a die. The block, known as a billet, is first heated until it becomes soft but does not melt. Then, a powerful press pushes it through the die. As the brass moves through, it forms into the shape of the die. This shape could be a rod, a tube, or a more detailed profile with edges or grooves.
Laser welding is a powerful technique that can transform your manufacturing processes. Many engineers and designers face challenges with traditional welding methods, such as slow
Bead blast finish is a surface preparation process that improves the surface of metal parts by spraying fine glass or steel beads at high pressure. It removes rust, paint, or other contaminants while giving the part a semi-polished or satin finish.
Bead blasting is widely used for finishing metal parts to improve their appearance, increase corrosion resistance, and prepare surfaces for additional coatings.
Precision grinding is a method that uses a spinning wheel covered in abrasive particles. This wheel cuts away tiny amounts of metal from a part’s surface. The goal is to improve accuracy, achieve tight tolerances, and create a smoother surface. It does not significantly alter the overall shape. Instead, it fine-tunes a part that is already close to the final size.
Brass is a popular material in many industries. Its gold-like appearance, its remarkable properties, and its use for artistic purposes have made it a favorite.
Sheet metal shearing involves cutting flat metal sheets into smaller pieces using two blades. The upper blade applies force to the material, pressing it against the lower blade to create a clean, straight cut. This process doesn’t involve heat, making it ideal for maintaining material integrity.
Sheet metal hemming involves bending or folding the edge of a metal sheet back onto itself to create a double-layered edge. This process strengthens the material, smooths sharp edges, and improves its overall appearance. It is widely used in applications requiring durability and precision, such as automotive panels, electronics, and construction components.
To polish titanium and achieve a mirror finish, you need to clean the metal, remove scratches, and use the right polishing compounds. Start with rough sandpaper, then switch to finer grits. Finish with a good metal polish and a soft cloth. Take your time at each step. The proper technique helps you get a smooth, shiny surface.
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