Plastic parts and injection molded parts

Your manufacturer for tailor-made plastic molded parts

Design and manufacturing of plastic molded parts, injection molded parts for HMI applications and electronics

Functional plastic molded parts – tailored to your requirements

We develop and manufacture high-quality plastic partsthat are precisely tailored to your technical requirements and areas of application. Whether housings, brackets, or complex functional components – our plastic solutions combine functional precision with attractive appearance. Through the careful selection of suitable plastics, state-of-the-art manufacturing technologies, and customized surface finishes, we create molded parts that impress with their quality, precision fit, and durability.

Support from idea to series production

We support companies from the initial idea to series production, offering customized solutions in consulting, development, design, and production. Using state-of-the-art technologies and comprehensive industry expertise, we implement manufacturing solutions that optimally meet both technical and economic requirements – reliably, efficiently, and at the highest level of quality.

Flexible solutions – even for small and medium quantities

Thanks to our flexible production processes, we can also small and medium series economically This allows you to remain flexible in development and benefit from customized solutions with a short time to market.

Design guide
Plastic molded parts

Plastic Molded Parts Design Guide

Numerous successfully completed projects across various industries demonstrate our expertise in the development and series production of customized solutions. From the initial concept to the market-ready product, renowned industrial companies rely on our technical expertise, process reliability, and our ability to implement complex requirements economically.

Custom-made plastic molded parts and injection-molded parts for technical applications
Technical plastic housings and injection molded parts with complex geometry
Precision injection-molded plastic parts with fine structures and functional surfaces
Large-volume plastic injection-molded parts with complex structure and rib reinforcement
Transparent plastic parts and injection-molded components for optical applications
Plastic housing components with transparent covers and functional elements
Injection-molded plastic parts with technical functions and mechanical interfaces
Custom plastic molded parts with complex geometries for technical applications
Injection-molded plastic parts with a metallic surface and integrated functions
Multi-part plastic enclosures for electronics and industrial applications
Robust plastic housings for industrial and automotive applications
Robust plastic housings for handheld devices and industrial applications
Compact plastic housings for electronic modules and industrial components
Overmolded plastic front panels and control elements for HMI and electronic devices
Plastic injection molded parts for fans and technical equipment in industrial applications
Compact plastic housings for electronic modules and industrial components

Individual plastic housings

We develop and manufacture custom plastic housingswhich are precisely tailored to your technical requirements, operating conditions and planned production volumes. From the design phase and material selection to series production, we support your project holistically and with a clear economic perspective.

Depending on the requirements, we integrate suitable HMI components Who membrane keypads, silicone keymats or separate silicone protective cases into the housing concept. Also multi-component solutions We implement the functional integration of operating elements, seals or handle zones on a project-specific basis.

The result is Functional, assembly-optimized enclosure solutions with clearly calculable costs, high series production readiness and long-term planning security.

Our service: Customized – without any extra effort on your part

A custom enclosure solution doesn't have to be a complex or risky project. We support you from the initial concept to series production, handling all technical and organizational coordination.

Even in the early stages of a project, we work with you to determine whether and from what quantity a customized solution is economically viable. Based on your requirements, we develop a manufacturable enclosure concept – including material selection, protection concept, and input systems.

Our experience in developing and manufacturing plastic housings, silicone protective covers, membrane keypads, and connection technology allows us to create perfectly tailored system solutions from a single source. This reduces interfaces, minimizes coordination efforts, and ensures fast, reliable industrialization.

For you this means: clear costs, predictable timelines and manageable internal effort – while maintaining a high level of technical and economic security.

molding

For the production of our plastic parts we use modern processes such as injection moulding, multi-component injection moulding and extrusion blow molding are used. This creates precise, durable, and customized solutions. Modern processes such as multi-component injection molding enable precisely fitting plastic parts.

Types of plastic

Possible Materials for your plastic molding are:

  • standard plastics PE, PS, PP…
  • Engineering Plastics such as ABS, PA6, PET, PBT, PMMA, PC…
  • high-performance plastics such as PEI, PBI, PPS, PPE, LCP…
  • Bio-based plastics

We also offer many materials reinforced or filled. We obtain the granules from well-known suppliers such as Covestro, BASF, Albis, etc.

Surfaces

With the right finishes, we specifically increase the durability, resilience, and user-friendliness of your plastic parts. We use a wide range of processes to optimally meet the specific requirements of your application:

  • Paint finishes with scratch-resistant or chemical-resistant coatings that are ideal for control elements in medical technology or industrial automation
  • Laser marking for high-precision and abrasion-resistant markings, particularly suitable for buttons, nameplates or HMI interfaces.
  • Printing techniques for UV-resistant and high-resolution graphics that are particularly suitable for use in outdoor equipment and automotive applications.
  • IMD (In-Mold Decoration) for decorative and functional surfaces directly in plastic injection molding – ideal for scratch-resistant, chemical-resistant, and UV-stable control panels with high design freedom, e.g., in the automotive industry or for smart home devices.
  • Through off-the-tool surface structuring, the plastic part receives its final surface directly during injection molding – without any post-processing. This allows for cost-effective implementation of high-contrast design surfaces and optically conceals typical injection molding features such as flow lines or weld lines.
Plastic surfaces and refined HMI control elements using injection molding

Design & Development of Plastic Parts

Design and development of a plastic housing by engineers using a CAD model

Our service in the field of plastic molded parts

In the area of ​​plastic parts we offer a comprehensive service You decide whether you want to use the development and construction as a single service or whether we can accompany you through the further steps up to series delivery. Our product designers can construct individual components as well as the entire product according to your ideas or revise the design or construction of existing products.

  • design & development of molded parts
  • Feasibility studies & suggestions for improvement
  • Development of technical options for cost reduction
  • Computer-aided simulation (mould flow analysis)
  • Prototyping with 3D printers
  • creation of DFM reports
  • tool design & toolmaking

This is how we start your project

In order to make you an initial offer, we need the following information:

  • Technical drawing, sketch or an existing sample
    If you do not yet have a technical drawing, we will be happy to create one for you.
  • Short product description with area of ​​application
    The more details you give us, the more precisely we can tailor the offer to your requirements.
  • Optional additional information
    If available, please send us a specification sheet, technical specifications or special equipment details.
  • Planned quantity or estimated annual requirement
    This helps us to optimally align production to your requirements.

To protect your data and ideas, we can conclude a non-disclosure agreement (NDA) in advance. If you do not have your own NDA, we will be happy to provide you with our template.

We look forward to your inquiry.

+49 (0)2154-81250
info@nh-technology.de

Personal Meeting

meeting room at NH-Technology

A personal conversation is particularly important to us when it comes to getting to know each other for the first time and discussing complex or new projects. We want to ensure that we fully understand your requirements and needs and can provide you with the best possible solution.

Of course we are also available to you via email Online meeting available. We use various platforms and tools to ensure seamless and effective communication.

meeting room reference wall

In our Showroom Porto Cervo you have the opportunity to see for yourself the quality and functionality of our products, to receive individual advice and to try out the different models. Our team of experts is available on site to answer all your questions and to work with you to find the perfect solution for your requirements.

Contact Simply contact us to Appointment to arrange a meeting and get to know each other. We look forward to it!

Design Guide Plastic Molded Parts & Free Sample Card

Plastic sample card and design guide for plastic parts and injection molding applications
Plastic sample card with surface textures from VDI 12 to VDI 45.
Sample card made of ABS plastic with SPI erosion structures

Our design guide for plastic molded parts and the two free sample cards in black and white with plastic EDM structures are specifically aimed at developers, designers, and buyers. It offers:

  • Practical tips for increasing efficiency and optimizing quality
  • Detailed overview of engineering plastics and their applications
  • Focus on critical aspects such as material selection and design principles

Our N&H Plastic Sample Cards are made of black and white ABS Plastic manufactured. It contains 12 different SPI surface treatments, classified from A1 to B3, as well as the 12 most common VDI 3400 Surface Textures, from VDI 12 to VDI 45. The scale ranges from highly polished surfaces to highly structured, rough textures, thus providing a comprehensive overview of the available surface structures.

This clear sample card makes it easier for you to coordinate technical requirements with the look and feel of your plastic parts. It helps you make the right decisions at every stage of your project—from planning and development to series production.

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