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HLH Proto's Guide to High-Quality Cast Urethane Parts

Need to produce a small batch of complex prototypes? Vacuum casting could be the ideal manufacturing method for you. Also known as urethane casting, the process eliminates the gap between end-use production and rapid prototyping.   Vacuum cast parts  are precise, high-quality, and consistent, allowing for swift product development. Moreover, it empowers your design and engineering team to maintain the highest production standards while bringing concepts to life at a reasonable cost.   Vacuum casting is among our specialties here at HLH Proto, and in this blog, we will share how our service can deliver cast urethane parts quickly and cost-effectively.   Faster than injection molding   If you only need a small quantity of high-quality rubber-like or plastic parts, we recommend vacuum casting over injection molding. It’s faster and more cost-effective because it doesn’t involve production tooling. At HLH, we can produce  vacuum-cast parts  of any size, from car bumpers to earp
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5 Primary Benefits of 3D Printing in the Airline Sector

Once primarily known for producing aesthetic plastic models and prototypes, 3D printing has evolved significantly due to technological advancements. It is now a versatile tool capable of creating robust, durable parts for testing and end-use components across various industries, including the airline sector. Here at HLH Proto, we work closely with many companies in the aircraft industry and deliver our  metal 3D printing  solutions for their  rapid prototyping  needs.   By embracing 3D printing, airline companies are opening new possibilities to revolutionize the design, prototyping, and manufacturing of custom components. They acknowledge the game-changing benefits of technologies like direct metal laser sintering (DMLS) in their ability to innovate, improve safety, enhance performance, and reduce costs. From environmental sustainability to cost efficiencies, streamlined production, and lightweight designs, 3D printing is indeed reshaping aircraft manufacturing.   Allow us to
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Rapid Prototyping Redefined: Scaling Production with 3D Printing.

The aerospace, automotive, medical, and packaged goods industries rely on the latest 3D printing technologies to make functional or aesthetic prototypes. Here at HLH Proto, we have the most advanced and proven technologies to transform their ideas and concepts into tangible parts and products. Among these is  FDM 3D printing  or fused deposition modeling. In this blog, we discuss how it can scale production and meet your rapid prototyping needs. Understanding FDM 3D printing and rapid prototyping Fused deposition modeling often comes to mind when people imagine the 3D printing process. Despite being one of the most versatile and common additive manufacturing technologies, FDM is frequently misunderstood. Many assume it's only suitable for creating basic models and prototypes. This is not true. Here at HLH, we have a wealth of experience using FDM 3D printing to produce parts for demanding applications in the automotive and aerospace industries, among others. Partnering with
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From Prototyping to Production: HLH's Role in Advancing Aerospace and UAV Technologies

The aerospace and UAV industries are among the most demanding and fast-paced sectors, where businesses and professionals continually seek the fastest ways to innovate and introduce new solutions to the market. Here at HLH Proto, we take pride in our ability to provide  rapid prototyping services  to these markets. Our range of solutions supports them throughout their product development and production phases, from the time they need prototypes to low or mid-volume production, without compromising quality and fast lead times. At HLH, we eliminate the complexities of rapid prototyping and end-use production. This allows our clients to concentrate on innovation and design while we handle the manufacturing of their parts using aerospace-grade materials. We also offer weight-saving options through carbon fiber and 3D-printed parts. How we advance aerospace and UAV technologies Our years of industry experience allow us to understand the ever-changing demands of the aerospace industry.
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The Intersection of 3D Printing and Rapid Prototyping: Pushing the Boundaries of Innovation

At HLH Proto, we recognize that prototypes are more than just tangible models — they're functional tools used to assess performance, safety, and quality. That's why we employ the latest manufacturing technologies to bring your designs to life. For both simple and intricate metal parts, our metal 3D printing service caters to your rapid prototyping requirements. This method is not only versatile for low-volume production but also ensures quick delivery, with a standard lead time of just six business days.   Understanding metal 3D printing   Metal 3D printing is also known as direct metal laser sintering (DMLS), which builds parts one layer at a time. The process is similar to selective laser sintering (SLS), except we use powdered metals and sinter them together in the build chamber to make your part. This method of 3D printing can craft highly complex shapes without supports, and it can do this quickly and at a more reasonable cost than traditional metalworking techniq
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How to Enhance Your Manufacturing Capabilities with 3D Printing and CNC Machining

Additive manufacturing (also known as 3D printing) has revolutionized the prototyping and production of end-use parts and assemblies. However, despite this innovation, traditional manufacturing technologies remain invaluable. At HLH Proto, we often blend cutting-edge and time-tested methods such as additive and CNC printing to achieve the best results. This combination proves superior for certain projects and enhances overall manufacturing capabilities. Let us explain how integrating these solutions can elevate your production process:   Faster results Although you can make prototypes from CAD files in injection molding, 3D printing offers creative flexibility to improve designs along the way. Engineers and designers leverage these processes with CAM or CAD files for additive manufacturing. After improving their design with  additive printing , they can apply machining to enhance the part.   Save money   Manufacturing companies want to cut production costs, especially when ma
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Injection Molding vs. 3D Printing: Which One is More Cost-Effective for Your Project?

3D printing and prototyping are among our specialties here at HLH Proto. We have had the privilege to help over 3,000 companies in 50 countries bring their designs to life efficiently and economically. While 3D printing offers rapid prototyping advantages, we acknowledge concerns regarding its cost compared to traditional manufacturing methods like injection molding. We provide both 3D printing and injection molding services because we understand their unique benefits for creating prototypes and manufacturing final parts. The most suitable method depends on the specifics of your project, which is why we encourage you to consult with our experts. They can help you determine the best and most cost-effective solution for your needs. In this guide, we're also sharing insights and factors to consider to help you make an informed decision for your current or future projects.     Your production scale     Injection molding becomes cost-effective for high-volume production o
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