HLC METAL PARTS LTD company News and Trends items

1. Carriage Bolts Its smooth, large-diameter head distributes pressure and prevents pull-through of softer materials, while its square neck prevents the bolt from turning when the nut is tightened, making it easier to install and secure building materials. 2. Flange Bolt Flange bolts are commonly used in pipes, containers and mechanical equipment. Bolts usually have a h...

In our daily life, bolts and nuts are very common and inconspicuous small parts. Many people know about screws, but how much do you know about screws? A bolt is a common fastener, usually made of metal, with a threaded outer surface.They are often used to join two or more parts, threading on one part to clamp other parts.Bolts are often used with a nut, which moves on t...

Stamping molds are tools used to punch, bend, stretch, etc. metal sheets and strips in molds. It usually consists of multiple component parts, each of which plays a key role and together ensures the accuracy and efficiency of the stamping process. Die plates usually refer to a plate or component in a stamping mold, which plays an important supporting and positioning rol...

There are six primary factors contributing to the occurrence of metal stamping defects: 1.Excessive Strain: When metal undergoes excessive strain during stamping, particularly at edges or bends, it is prone to developing tensile cracks. Overly aggressive shape alterations may surpass the metal's ductility, leading to such issues. Uneven distribution of strain during sta...

1. Crack Cracks that occur when metal is subjected to tensile stress.This type of crack usually occurs in localized areas of the metal, particularly where high strains or stress concentrations are present.Cracks are a deformation and damage phenomenon in metal that may lead to part damage and quality issues. 2. Wrinkling In the metal stamping process, wrinkles refer to ...

Circular runout and total runout are two key concepts in Geometric Dimensions and Tolerancing (GD&T). Circular runout evaluates rotational deflection in a single cross-section, while total runout evaluates deflection in multiple planes simultaneously, covering the entire length of a cylindrical part. Circular Runout and Total Runout stand as essential metrics employed t...

Deep drawing stamping is a metal forming process in which a metal sheet is placed into a mold and gradually formed into the desired shape through stretching and pressure. It is often used to create deep and thin metal parts. Deep drawing stamping forms sheet metal into closed-bottom, round or irregularly shaped cup or cylindrical products while stretching and compressin...

Metal surface treatment includes coating, oxidation, polishing, anodizing, electroplating, Electroless Plating and more. Surface treatment can improve the performance, corrosion resistance and appearance quality of metal. Metal surface treatment can be categorized into different processes, namely: Surface Modification, Surface Alloying, Surface Conversion Coating, and S...

GD&T, short for Geometric Dimensioning and Tolerancing, is a universally accepted system used to precisely communicate part design requirements on engineering drawings. The standard includes 14 main symbols that represent different geometric controls. 1. Straightness 2. Flatness 3. Circularity 4. Cylindricity 5. Line Profile 6. Surface Profile 7. Parallelism 8. Perp...

In the metal stamping process, material selection is very critical because different materials have different physical, chemical and mechanical properties. We need to consider raw materials based on the product's purpose and intended application. Proper material selection is critical for high-quality, cost-effective metal stamping. ● High strength and hardness requirem...

Metal stamping is a manufacturing process that applies force to a metal sheet to deform it into a desired shape. This process usually involves blanking, punching, coining, bending, flanging, stretching, embossing, curling, grooving on the metal. 1. Blanking refers to cutting a metal sheet through a mold to cut out a flat shape or outline. Typically used to produce fla...

A CNC mill is a computer-controlled, automated device that uses cutting tools and controlled motion to shape materials into precise parts.It can be divided into five categories: CNC system, spindle motion, feed motion, machine structure, and auxiliary devices. At the helm of every CNC milling machine is a CNC (computer numerical control) system. It integrates hardware a...

Machining is a subtractive manufacturing process that shapes and finishes a workpiece by removing material from it. Mainly including ten types of milling, turning, drilling, grinding, planing, sawing, broaching, laser cutting, electrical discharge machining (EDM), and electrochemical machining (ECM). 1. Milling is a typical subtractive manufacturing process used to shap...

1. Aluminum Alloy Aluminum alloy is a metal material made of aluminum alloyed with other elements (such as copper, zinc, magnesium and more.) and is lightweight. Commonly used in electronic product casings, such as laptops and mobile phones. Auto parts are also often manufactured using aluminum alloys as raw materials. 2. Stainless Steel Stainless steel is a type of ...

Metal stamping dies can be divided into four types: single punch dies, progressive dies, compound dies and transfer dies. 1. Single Punch Die Relatively simple, low manufacturing and maintenance costs Suitable for small-scale production and flexibility requirements Flexibility is relatively low but easy to adjust Production efficiency is relatively low Material utilizat...

Compare and contrast two popular joining processes, welding and riveting, analyzing their differences, advantages, and disadvantages. 1. In terms of connection method: ►Welding is the joining of two or more workpieces into a whole by melting the workpiece or adding molten filler material. ►Riveting is formed by placing rivets between workpieces to form a rivet joint. ...

A milling cutter is an essential tool in a milling machine or CNC center for material removal operations. These rotary cutting tools consist of one or more teeth, each of which intermittently removes a portion of the workpiece during the milling process. Milling cutters are mainly composed of three key components: tool handle, tool body, and blade. These three parts work...

Welding and riveting are two commonly used metal joining processes.Riveting refers to rivet connection. It is a method of connecting multiple parts by using axial force to thicken the rivet rods in the rivet holes of parts and form nail heads.Riveting simply creates a hole in the connection, compared to welding, which fuses two or more materials together. A rivet is a m...

A cutting tool in a lathe machine is a specialized implement or tool bit used to remove material from a workpiece during machining operations. Here's a concise list of common lathe cutting tools: 1.External Turning Tool 2.Internal Turning Tool 3.Boring Bar 4.Parting Tool 5.Facing Tool 6.Threading Tool 7.Knurling Tool 8.Drills 9.Grooving Tool 10.Chamfering Tool 11.Forming...

Welding is a versatile process that employs heat, high temperature, or high pressure to seamlessly join various metals or materials together. The components being joined are referred to as parent materials, and the resulting connections are known as weldments. However, it is important to understand that different materials may react differently during the welding process...

Both CNC machining and 3D printing have significantly transformed the manufacturing landscape through the use of computer-guided processes. However, the fundamental difference lies in their approach to material transformation—CNC machining removes, while 3D printing adds. CNC machining, short for Computer Numerical Control machining, is a highly precise and efficient s...

Prototyping is the preliminary model or version of a product. It serves as a tangible representation that allows for testing, refining, and validating design concepts before full-scale production. Prototyping minimizes production risks and allows for valuable user feedback early in the development process, ensuring a successful and cost-effective final product. Traditi...

Silver contacts play a crucial role in the functioning of electronic appliances as they serve as the intersection points where components separate and contact each other during opening and closing. These contacts are typically riveted onto the terminals of various accessories using a specialized machine known as a riveting silver point machine. The usage of silver contac...

When we think of surface treatment, what do we think of? Two methods commonly used in this field are electroplating and electroless plating, both of which have important applications in various industrial and manufacturing fields. Electroplating requires an external current and an anode, while electroless plating relies on an autocatalytic reaction that occurs on the met...

Computer numerical control (CNC) is a manufacturing technology that uses computer-based systems to precisely control and automate the movement of machinery and tools. It replaces traditional manual operations with programmed sequences to ensure high precision and efficiency in various manufacturing processes. The entire CNC machining process mainly includes 4 key links: ...

Cold heading is a manufacturing process that processes metal raw materials (usually linear) into fasteners at room temperature. We commonly use cold heading machines to produce bolts, screws, nuts, rivets and other fasteners. Cold heading machines usually include dies, punches and blank holders. Today’s blog will start from the following aspects: the concept of cold hea...

Die casting is a casting method in which molten metal is poured into a pressure chamber and quickly filled into the cavity of a mold to solidify the alloy under pressure, forming a casting. Its main characteristics, which set it apart from other casting methods, are high pressure and high speed. Die casting is a diverse casting process. Based on the die casting equipmen...

Metal casting process, is defined as the process in which molten metal is poured into a mould, that contains a hollow cavity of a desired geometric! shape, and allowed to cool down to form a solidified part. Based on the level of mold consumption, metal casting is generally divided into two categories: Permanent-mold casting and Expendable-mold casting. ◢ Permanent-mol...

A salt spray test, also known as a salt fog test or salt corrosion test, is a widely adopted and standardized method for evaluating the corrosion resistance of materials and coatings, especially metals and their protective coatings. The salt spray test involves subjecting the products or metal materials to artificial simulated salt spray environmental conditions, create...

Both Sinker EDM and Wire EDM fall under the broad umbrella of Electrical Discharge Machining[EDM]. While they share a common foundation in the utilization of electrical discharges to erode material and create precise shapes, their most significant difference lies in the shape of the electrode. In Sinker EDM, a precisely shaped electrode, often crafted from materials lik...

Sheet metal refers to a component or product made from thin sheets of metal, such as steel, aluminum, or copper. These sheets undergo various techniques like cutting, bending, and other processes to shape them into different forms. However, the manufacturing process is not complete without post-processing or finishing, which further enhances the physical or aesthetic cha...

In this comprehensive article, we will delve deep into the fascinating world of Electrical Discharge Machining (EDM). Starting with its rich history dating back nearly 80 years to 1943, when the Lazarenko couple at the Soviet Academy of Sciences invented the world's first practical EDM device, we will explore the principles, processing conditions, and various types of th...

Gear is an essential mechanical component that plays a significant role in transmitting motion and power. Gears consist of teeth on their rim, allowing them to engage and mesh with other toothed mechanical parts. They enable speed and torque modification, direction adjustment, and movement transformation in various applications. Gears have distinct characteristics due to...

CNC milling is a highly advanced and precise subtractive manufacturing process that is widely used across industries such as automotive and aerospace. It involves the creation of intricate and accurate components. If you are interested in gaining a comprehensive understanding of CNC milling or looking to enhance your knowledge about this technology, this article is tailo...

"What is chamfer? What is fillet?" These questions might cross your mind, especially if you're involved in manufacturing. These concepts play a pivotal role in the field, and understanding their importance is crucial for elevating the quality and functionality of your products. In this comprehensive article, we will explore these concepts in detail and provide practical ...

Anodizing is a highly specialized surface treatment process that offers numerous benefits to metal parts, particularly aluminum. This process not only enhances the corrosion resistance and wear resistance of the parts but also significantly improves their appearance. For businesses operating in the custom metal parts manufacturing industry, anodizing is essential for imp...