Precision Plastic Injection moulding
We are custom injection molding company with a proactive, can-do approach, where quality is a way of life, innovation is an on-going reality, and “getting the job done right the first time” is a priority.
We offer a tactical partnership with unshakable support you can depend on. Our team of experts will work with you and follow through on definite initial concept; from design assistance to final production and deliveries.
A team of Process Engineers, Plastic Engineers, Quality Engineers, Tooling Engineers, and Project Engineers, with hands on experience in Plastics Injection mold manufacturing, processing the advanced engineering plastics takes care of every need of customers at high precision.
We take an idea through concept to engineering drawing, prototypes, validation, tool design and manufacture of high precision components and assemblies.
A complete package of experience and creativity, well supported by our state of the art Injection molding facility provides ability to produce most durable and consistent products. An expertise in maintaining tool and injection molding machine, increases plant uptime which enable us delivery of product right in time.
Our process and quality control systems provide a consistent flow of good parts, eliminating the cost of scrap and rework. Value-added processes, such as finishing and assembly, provide an efficient single-source supplier.
We strongly support “Go Green” trend in plastics to keep our planet “Greener”. Our team is very familiar with the following substance controlling initiative:
RoHS – Restrictions of Hazardous Substances
WEEE – Waste Electrical and Electronic Equipment
REACh – Registration, Evaluation, Authorization and Restriction of Chemicals
IMDS – International Material Data System
High Precision CNC Machining
We are precision metal machining company with a proactive, can-do approach, where quality is a way of life, innovation is an on-going reality, and “getting the job done right the first time” is a priority.
Our modern machining shop, equipped with latest CNC and conventional machines help us to cater requirement of highly precision metal components and assemblies in time and cost effectively.
A team of Mechanical Engineers, Quality Engineers, Tooling Engineers, and Project Engineers, with hands on experience in Precision metal components manufacturing takes care of every need of customers at high precision.
A complete package of experience and enthusiasm, well supported by our state of the art CNC machining facility provides ability to produce most consistent products. An expertise in maintaining machine increases plant uptime which enable us delivery of product right in time.
Our process and quality control systems provide a consistent flow of good parts, eliminating the cost of scrap and rework. Value-added processes, such as assembly, provide an efficient single-source supplier.
As we are equipped with expert back-up services, we do undertake machining / fabricating / forming of ferrous, non-ferrous metals. Our services also include heat treatment, stress relieving, hardening, surface coating etc.
We undertake turnkey engineering jobs/project from design to commissioning stage, over and above designing/developing, manufacturing individual parts/ assemblies for any engineering application.
| Stainless Steel Grades | AISI 303, 304, 430F, 410, 420, 17-4PH, SS431 |
| Non-Ferrous grades | Brass, Aluminum, Copper |
| Machining of Plastic | Rod / Sheet / Component |
| Low Carbon Steel | 16MnCr5, S235Cr, IS 2062, EN32B, EN3B, EN3C, EN1A |
| Carbon Steel | 42CrMo4, C45, EN24, EN31 |
| Tool Steel | H13, H11, EN41B, D2 |
Material Competence: The process of CNC machining operation begins with material selection. Depending on functional requirement, materials are selected based on composition, geometry, microstructure, physical and mechanical properties. Thorough understandings of various properties of material are very essential to design the machining process.
Our team is experienced on handling wide range of materials and its sub group.
Understanding material in right context enables our team for optimum selection of the tools, which result in achieving intended product functionality.
Mould Manufacturing
Tooling is one of the essentials to a successful molding. Shefield’s understanding of complex injection molds with intricate mechanism, hot runners, split molds with hydro-mechanical core pulls, is a great strength to achieve defect free consistent products. An extensive mold care program leads to an enhanced tool life keeping output quality at optimum level. Team at Shefield has hands on experience to handle complex molds made all over world from Germany, Italy, Australia, Japan to Taiwan, Korea and China.
A tool development engineer serves as a critical part of the cross-functional project management team and stays with the project from the beginning of the program until the tool goes into production – ensuring consistency throughout the product in order to find the best approach to meet timing and budget requirements. We control tooling program with our competency of, Complete in-house plastic injection mold design capability.
Stringent monitoring and control of the tool design and manufacturing process for tools being made out of country. We hold control over tooling program through our project management system.
- Mold certification programs, including statistical validation.
- Mold flow analysis.
- Evaluation and action plans.
Our focus is injection molding, so we understand the importance of having tooling that is process-capable from the beginning.
We understand that highly featured, tight tolerance parts, with aggressive lead times, require top quality toolings from the first production run through the life of product. Our technical staff with expertise in molding, tooling, product development, and materials enhances success of tooling program with valuable inputs at design stage.
We offer flexible options of outsourcing tools through our partnerships with quality tool shops both in the country and offshore. We have a tie up with few far eastern tool makers who are leaders in their field. We also work well with customer preferred tool builders.
Our valued tooling partners have been building the most complex, precision molds since last 35 years. Speed and accuracy are driven by machining center robotics, the latest in CAD and CAM technologies and highly skilled aggressive toolmakers.
The range of tooling we offer includes,
- Proto Molds
- Single and Multi cavity production Molds
- Expandable and Interchangeable Molds
- Stripper and Floating Cavity Plate Molds
- Hot Runner System Molds
- Conventional and Insulated Runner Molds
- Shuttle and Insert Molds
- Cartridge Molds
- Unscrewing Molds
Using different material like but not limited to,
- Aluminum (proto molds)
- Variety of Soft Steel and Pre-Hard Steel Materials
- Variety of Hardened Tool Steel Materials
- Beryllium Inserts
- Including finishing operations like,
- Specialized Tool Coatings
- Surface texturing
- Mirror Polishing
- Mechanical and Hydraulic Core pull Molds
- Over molding Molds
We insist involving us from beginning of product design to determine the manufacturability of a design. Our plastics and tooling experts can also help establish performance criteria for the finished components. Upfront involvement in the injection mold design and analysis process helps to ensure product quality. We can generate detailed tooling designs, part prints and specifications from prototype, or 2D/3D CAD files. At the core, we believe tool as the centrepiece for the entire injection molding process. That is why we take great pains to protect tools and strive to enhance return on investments.
Our comprehensive tool management program leads to an enhanced tool life keeping output quality at optimum level. To upkeep tool performance level we have backing of,
- Conventional and CNC machining facility
- CNC Wire and sinker EDM machining facility
- Jig boring and Grinding facility
- ELB Surface Grinding facility
Complete capability to manufacture mold components, fixtures and inspection gauges.
Skilled tooling workmen for maintaining aesthetics of the product.
General Tooling Development structure is,
- Evaluating tooling requirements
- Specifying mold
- Mold design
- Design verification and approval
- Tool building
- Evaluating trial samples
- Specifying improvements
- Tool trial and validation
- Freezing process parameters
- Transferring data to APQP documents
Design and Development
“The Advantage of Cost and Quality is never an Accident; it must be intentionally designed Into the Product.”
“Design for cost reduction, design for manufacturability, design for performance.”
One of our strength is to take an idea through concept to engineering drawing, prototypes, validation, tool design and manufacture of final components and assemblies.
Our project team manages project from Design through Product Validation. Innovation is a significant by-product of Shefield’s expert development. Any innovations developed by Shefield Technoplast during work on your product belong exclusively to YOU, the customer.
Shefield brings a wealth of design assistance combined with a disciplined manufacturing process that can turn a brilliant product idea into an enormous commercial success.
Our team ‘Knows’ Plastics, and knowing Plastics In-n-Out is a foundation for robust designing of plastic component.
Complete in-house plastic injection mold design. Stringent monitoring and control of the design and manufacturing process for outsourced activities.
Engineering Services that we offer are,
- Mold Development & Validation
- DOEs
- Reliability & risk Analysis
- Molding Process Design
- Gauge Design & Development
- Packaging Design Assistance
- DQ process validation
- Concept Creation
- Prototype Product (SLAs)
- Product Design Assistance
- Material Selection Assistance
- Mold Design
- Mold flow analysis
New Design Process Flow:
Reverse Engineering Design Process Flow:
Working closely with customers from concept design phase, we have been able to help optimize the design to achieve,
- Full functionality
- Cost reduction,
- Faster time-to-market,
- Design for manufacturability,
- Ease of Assembly,
- Improved Performance,
- Increase Aesthetics,
- Intended product life.
Assembly
1. Precision Plastic Injection Moulding
“Adding Value is our strength”
“Providing innovative solutions that add value to your product is our continuous endeavour”
Shefield offer a complete line of secondary and contract manufacturing capabilities. From simple assembly of mating components to complete turnkey assembly project of high precision complicated assemblies.
We also offer a wide variety of value added services that can save you time and money. Our manufacturing and contract capabilities include,
- Prototyping
- Laser Etching
- Hot Stamping
- Pad Printing
- Screen Printing
- Solvent Bonding
- Gamma Sterilization contracts
- Blister Packaging
- Static Elimination
- Product Testing contracts
- Ultrasonic Welding
Our value-added custom injection molding services are designed to provide end-to-end solution, including product concept and design capabilities as well as consultation on,
Material suggestion for optimum balance between cost and product performance.
- Prototyping
- Steel-to-plastic injection molding conversions
- Process-improving secondary equipment capabilities,
- Superior quality control involving specific testing, evaluation, and calibration of all parts, equipment, and procedures
2. High Precision CNC Machining
“Adding Value is our strength”
Shefield offer a complete line of secondary and contract manufacturing capabilities as a value addition to the product. From simple assembly of mating components to complete turnkey assembly project of high precision complicated assemblies.
Our value-added custom metal machining services are designed to provide end-to-end solution, including product concept and design capabilities as well as consultation on,
- Material selection
- Prototyping
- Superior quality control involving specific testing, evaluation, and calibration of all parts, equipment, and procedures
We offer comprehensive precision machining and finishing services, as well as assembly of diverse components into complete products or systems. Through value-added options, such as assembly we are able to provide consistent reliable quality and on-time delivery at a competitive cost.
As a drive to provide one stop solution, not only do we produce parts to exact tolerances, but we also assemble products or systems with the care and attention to detail customer require. By offering product assembly services, we are able to provide customers with the fast turnarounds they need to market effectively.
Quality redundancies are implemented in this final phase of production for the best possible performance of your product or system
We have segregated assembly area with fully equipped work flow stations. All stations have an assortment of tools to perform various assembly operations required. Trained and certified employees, who adhere to strict work instructions. Our employees are dedicated to ensure that product performs as efficiently as possible and as a result strive to meet consistent high quality standards.
Assembly done in-house means that your product or system is assembled with the same commitment to quality as the individual parts we produce Additionally, we offer a wide variety of value added services that can save you time and money. Our manufacturing and contract capabilities include,
- Heat treating,
- Sand Blasting
- Welding
- Grinding
- Honing,
- Blister Packaging
Quality
- Review all customer specifications
- Cross-functional project reviews
- Assuring all inputs to the specification
- Process and material flow charts
- Review & Approvals of tool design concepts
- Process Failure Mode and Effects Analysis (PFMEA)
- Identifying project related training needs
- Measurement System Analysis (MSA)
- Pre-production Control Plans
- Product and process capability analysis with defect detection
- CAR management
- Monitoring PPM level
The base of any quality product starts with the quality materials going into it. To ensure good quality material on time, we follow systematic vendor development & management plan. Our robust system helps us in development of suppliers which is a critical aspect of achieving a consistent product.
Metrology
In addition to complete layout inspection, we do in-process periodical inspections for critical characteristics of the product. This necessitates most consistent and accurate measurement techniques. To support our inspection capability per quality plan we have Precision measuring instruments that includes,
Facilities
Inspection Facility:
Precision digital measuring instruments
- Profile Projector
- Height Master
- Surface Roughness Tester
- Air Gauge
- Digital Caliper : 200 to 1000 mm
- Digital Micrometer: 25 to 150 mm
- Bore gauge: 6 to 150 mm
- Slip Gauge
- Thread Gauges
- Radius Gauges
- Filler Gauges
- Dial Indicator Gauges,
- Combination Set
- Depth Gauge
- Surface Comparator
- Hardness Tester
- Push Pull Meter
and all other related auxiliaries.
Quality Records:
Few of the important quality records that we maintain are,
- In coming material test results
- In process inspection results
- Pre shipment inspection results
- Tool history records
- COAs
Raw Material Testing:
- Spectro Analysis
- Tensile Test
- MFI
Specialize Product Testing:
- Helium Leak Testing
- Magnetic Partical Testing (MPT)
- Hydro Testing
- Non Destructive Test (NDT)
Surface Coating
We offer a wide variety of specialized surface coating services that can save you time and money.
Our manufacturing and contract capabilities include,
- Silver Plating
- Nitriding
- Black Oxiding
- Anodizing
- Case Hardening
- Case Carbonizing
- Zinc plating
- Electro less Nickel plating
- Chrome plating
- Nickel plating
- Teflon coating
- Industrial Painting