カスタムダイカストサービス
Get precision die-cast metal components of prototype and high volume production with quick delivery. Our high level technologies of die casting will provide you with the best quality parts and hence the best solution to your manufacturing requirements.
- Fast Turnaround: Quick prototypes and production runs.
- Precision: Tight tolerances for accurate, high-quality parts.
- Certified Quality: ISO 9001:2015, IATF 16949, ISO 13485 certified.
Die Casting Capabilities Overview
Lewei Precision has a variety of die casting services that aim to serve different industries. Manufacturing quality production components, as well as the fast-prototyping process, our abilities will guarantee the high quality, long-lasting, and high-performance components, where each of them performs exactly according to your needs.
Hot chamber die casting is ideal in metals with low melting points like zinc and magnesium and therefore it has a high rate of cycles and wasted material is minimized hence is ideal in large production volumes.
It is applied to high-melting-point metals such as aluminum that offer the required strength and accuracy to components that must be able to endure stressful environments such as aerospace and automotive components.
Semi-solid die casting gives high strength and low porosity components with enhanced surface finish, which would be suitable in the automotive and aerospace industries, where part wear and performance are vital.
SLM applies laser to liquefy metal powders to create metal components with high strength. This method is perfect in aerospace, medical and industrial applications because it is long-lasting and precise to use under harsh conditions.
Available Die Casting Finishes
Lewei Precision has a range of die cast finishes to meet your parts needs; functional, aesthetic, and lasting requirements. To achieve a polished appearance, better corrosion resistance, or even better performance, we offer you the choices that suit your requirements.
The as-cast finish is a perfect choice where aesthetics are less important as it preserves the raw texture of the part and it is used when the part is an internal part or prototype.
A bead blasted finish produces a textured finish with a matte look, which enhances the life of the part, and gives it a consistent look, which is ideal in parts that are subject to wear and environmental elements.
Anodizing provides a protective coating of aluminum parts improving their corrosion resistance and wear. It is also customizable in terms of colors, thus it is an excellent product in terms of both protection and aesthetics.
In powder coating, we use a smooth coating which is long lasting and provides a lot of protection against chemicals, abrasion, and the elements. Perfect in components that require heavy and durable cover.
Wet painting enhances appearance of parts besides providing a protective layer. It is a perfect selection of functional and aesthetics components that have a variety of colors to fit your design requirements.
Plating is a coating of the surface to parts with a thin layer of metal to improve characteristics such as corrosion resistance, conductivity, and surface finish, so it is suitable in electronic parts or heavy-duty applications.
Die Casting Materials
Our die casting services use non-ferrous alloys specifically designed for high-pressure mold filling and repeatable mass production.
All materials listed below are purpose-built die casting alloys, not general machining grades.
Lightweight, corrosion-resistant, and the most widely used die casting material for structural and automotive parts.
Grades
A380
ADC12
A360
AlSi9Cu3
Excellent fluidity and dimensional accuracy for thin-wall and high-detail components.
Grades
Zamak 3
Zamak 5
Zamak 7
Ultra-lightweight alloy used for weight-critical and high-strength components.
Grades
AZ91D
AM60B
Used in limited die casting applications where higher strength is required.
Grades
Copper-Based Die Casting Alloys
Die Casting Tolerances
| パラメータ | 仕様 |
|---|---|
| 一般公差 | ±0.01 mm for metals / ±0.05 mm for plastics |
| 厳しい公差 | ±0.005 mm |
| 表面仕上げ | Ra 3.2–0.8 μm |
| Maximum Build Size | Up to 1200 mm |
Quality Assurance & Inspection Capabilities
At Lewei Precision we guarantee the best quality assurance of all the parts we manufacture. Our full inspection services are provided through the use of sophisticated equipment such as CMM (Coordinate Measuring Machines), optical scanners and digital micrometers to provide dimensional accuracy to tightest of tolerances. Every segment is carefully checked at every level and it is made to meet the specifications strictly in functionality and functionality.
We have high standards of geometric accuracy and employ GD&T ( Geometric Dimensioning and Tolerancing ) techniques and test parts to ISO 2768-mK and ASME Y14.5 standards. The quality of surface is also evaluated with a high degree of test like the roughness in form of measurements in the range of Ra 3.2-0.8 μm and confirmation of the coating thickness to a uniform finish. Additionally, we provide full traceability with documentation such as material certificates (MTRs), FAI reportsそして CMM data sheets, ensuring complete transparency and peace of mind for our customers.
Die Casting Services for Diverse Industries
Lewei Precision specializes in offering die cast services of the highest quality in the various industries. In aerospace, automotive, medical devices, robotics or consumer products, we can provide custom die castings to suit the specific requirements of each industry. Our state of die casting also enables us to manufacture accuracy parts in high durability and strength.
Die Casting Workflow (How We Work)
Lewei Precision’s die casting process ensures efficiency, quality, and transparency at every step, delivering high-quality parts to meet your needs.
エンジニアリング・レビュー
Upload your design for a manufacturability analysis to ensure it’s optimized for the die casting process.
Tooling & Mold Design
Our engineers create precise tooling and molds based on your specifications for accurate part production.
Die Casting Process
Molten metal is injected into the mold to form the part, followed by necessary post-processing steps for finishing.
Inspection & Delivery
The final part undergoes thorough inspection, and we provide all required documentation before shipping.
Production Volume Options
Lewei Precision has flexible volume production which can meet the different project needs, including a quick prototype, or high-volume production.
3Dプリンティング
Ideal in low-volume testing and validation. Get prototypes that are of high quality and in a short period of time to test and proof your designs.
- Lead time: 5–7 Days
真空鋳造
Regular quality with smaller production batches of 50 to 500 parts, best suited with first production or testing in the market.
- Lead time: 7–10 Days
射出成形
Large-volume production with automated die casting, which guarantees high quality and efficiency in the delivery of large volumes of parts.
- Lead time:3–4 Weeks
Lewei精密ダイカスト工場と設備





Lewei精密ダイカストの能力
仕様 | 詳細 |
寛容 | 高精度部品に必要な二次加工。最大±0.01mmの精度を実現。 |
最小肉厚 | アルミニウム:1.5mm推奨、亜鉛:0.8mmまで可能。 |
肉厚比 | 充填ムラを防ぐため、1:3の割合に抑える。 |
穴径 | アルミニウムの3mm未満の丸穴は、二次ドリル加工が必要です。ネジ穴は二次加工で形成されます。 |
ドラフト角度 | 脱型の問題を避けるため、最低0.5°。 |
最大金型寿命 | 亜鉛:1,000,000サイクル、マグネシウムとアルミニウム:100,000サイクル。 |
MOQ | 500-1000個 |
リードタイム | 金型の種類や製品の複雑さによって異なるが、20~25日。 |
ダイカスト部品




Lewei精密のダイカストプロセスの種類
多様なプロジェクトの要求を満たすために、Lewei Precisionは様々な材料と複雑な設計に最適化された3種類のダイカストマシンを提供しています。主にホットチャンバー鋳造とコールドチャンバー鋳造を採用しています。厳しい公差と構造強度の強化が必要な部品には、半凝固鋳造などの先進的な方法を提供しています。
Lewei精密のダイカストプロセスの種類
多様なプロジェクトの要求を満たすために、Lewei Precisionは様々な材料と複雑な設計に最適化された3種類のダイカストマシンを提供しています。主にホットチャンバー鋳造とコールドチャンバー鋳造を採用しています。厳しい公差と構造強度の強化が必要な部品には、半凝固鋳造などの先進的な方法を提供しています。
セミ・ソリッド・ダイカスト
セミ・ソリッド・ダイカスト
ホットチャンバー・ダイカスト
セミ・ソリッド・ダイカスト
コールド・チャンバー・ダイカスト
セミ・ソリッド・ダイカスト
Why Choose Lewei Precision for Die Casting?
Lewei Precision provides high precision Diecasting Services suitable to your complex production requirements. With our high level of technology, rapid turnaround, and quality focus, we make sure that your parts are produced to the highest standards.
Precision at Every Stage
Lewei Precision ensures a very high level of accuracy with only a very narrow tolerance of -0.01mm and that all your parts are produced to your specifications all the way through.
Lewei Precision promises to deliver prototypes and production parts within 20-25 days, enabling you to maintain on schedule and meet essential project deadlines.
We have the expertise that is used to generate complex geometries and shapes that can be produced to your unique needs with high strength-to-weight ratios.
ダイカスト素材と仕上げ
ダイカスト金型は、高温と高圧に耐える硬化鋼を使用します。非鉄金属は流動性があり融点が低いため、ダイカスト用として好まれます。鉄系金属が使用される場合もありますが、一般的ではありません。
最終使用部品の外観、感触、性能を忠実に再現する幅広いポリウレタン樹脂とシリコーン金型オプションからお選びいただけます。特注品も承ります。
高熱に強い。丈夫で割れにくい。高温でも硬いまま。アルミニウムやマグネシウムの鋳造に適している。
熱変化に強い。H13スチールより強靭。熱伝導が良く、長持ちする。頑丈な鋳造作業に適している。
高熱に強い。ヒートサイクルによる割れに強い。機械加工や研磨が容易。細部部品用のヨーロッパ鋼種。
軽量、耐食性、優れた強度対重量比。複雑で薄肉の自動車部品、航空機部品、電子機器などに使用される。
- ADC10
- A380
- ADC12
- 純アルミニウム
- HA6
- HA4
- 6063
高強度、良好な加工性、EMIシールド。電子機器、自動車部品、携帯機器のハウジングによく使用される。
- AM50A
- AM60B
- AZ91D
金型内でよく流れ、厳しい公差を保持する。小さくて細かい部品に適している。強度が高く安価なため、電子機器、コネクター、錠前、日常金具などによく使用される。
- ZAMAK5
- ZAMAK3
- ZAMAK2
ダイカスト部品、特に亜鉛とアルミニウムの部品は、当然表面が滑らかです。美観、耐久性、耐食性を向上させるには、Lewei Precisionが提供する表面仕上げをご覧ください。特別なご要望については、お気軽にお問い合わせください。
表面の不純物を除去し、均一でマットな質感を与える研磨ブラスト。また、塗料やコーティングの密着性も向上します。
腐食や磨耗からさらに保護しながら、色を加え、外観を向上させます。ブランディングや特定のデザイン要件を満たすために使用されることが多い。
比較的滑らかな表面と軽微なツールマークを持つダイカスト製品に基本的で機能的な仕上げを提供し、化粧品以外の用途に適している。
ダイカストの長所と短所
高い強度対重量比により、全体的な負荷を軽減
天然の酸化皮膜が錆や劣化を防ぐ
100%リサイクル可能な素材が持続可能な目標をサポート
Tスロットの互換性と簡単な接合方法
1回の押出工程で複雑なプロファイルが可能
ソリッドアルミブロックに比べて加工コストが低い
金型製造には先行投資が必要
金型製造には前もって 押出ラインは仕上げや研磨が必要な場合がある
設計変更には新しい金型が必要
設計変更には新しい金型が必要
セットアップとトリミングでスクラップ素材を作成
プレス能力による最大プロファイル寸法の制限
ダイカストの長所と短所
Die cast components have a high strength-weight ratio which means that the total load is minimized without compromising on durability. This makes them suit the automotive and aerospace industries where weight and strength are critical.
The die-cast metals are ideal in harsh or outdoor environment applications because of the natural oxide that forms on them which helps them to resist rust and degradation.
Die-cast metals are recyclable with 100% and this will be helpful in fulfilling sustainability as it reduces waste and makes them environmental friendly.
Die- cast Parts are compatible with T-slot and can be quickly assembled with straightforward joining techniques which aids in saving on production time and costs.
Die casting is capable of producing compound outlines in one extrusion, and it provides design freedom that is best in components with complicated designs.
Lower machining costs compared to solid aluminum blocks, making it a more affordable option for high-volume production runs.
Initial cost of tooling and molds may be expensive. The price, however, is compensated by the efficiency and savings in large volume production runs..
Die-cast components may contain surface run-offs and may need a finish or polishing. This may introduce more time and expense particularly on parts whose surface is visible.
The die cast process can be influenced by design modifications and this may need new tooling to ensure quality; this will incur unnecessary additional cost and time..
Once tooling is made, shape modifications can be difficult. Significant design changes may require new tooling, which increases the overall cost.
Setup and trimming create scrap material, leading to some waste, though this can be minimized with optimized designs and processes.
Die casting press capacity limits the maximum part dimensions that can be produced. Larger parts may need additional processes or different methods.
よくある質問
What is die cast minimum order quantity (MOQ)?
Our orders are taken in quantities of 500 and above and can accommodate thousands of parts in large scale production.
What are the die casting processes that you have to offer?
Our specialization is in the hot chamber, cold chamber and semi-solid die casting procedures to satisfy various project demands.
What is the material you can use to die cast?
We have aluminum, zinc, magnesium and custom alloys that can be used in different ways, so we can find you the correct material to use in your project.
What is the lead time of the die casting project?
The standard lead times are 20 -25 days and this determines the complexity of the design and the quantity of the order.
Are you able to cope with intricate part geometries?
Yes, we are experts in the manufacturing of components with complex geometry and tight tolerances, which give accuracy to complicated designs.
What industries do you serve?
Our industries include automotive, aerospace, medical, robotics, and others with a custom-made solution to each industry.
Are die-cast components environmental friendly?
Yes, die-cast metals can be 100 percent recyclable which helps in the sustainability efforts and mitigating environmental effects.
What do you do to control the quality?
CMM ( Coordinate Measuring Machines ) are used, optical scanners and micrometers are used to ascertain the dimensional accuracy and high-quality standards.
Is it possible to present prototypes prior to mass production?
Yes, we do provide rapid prototyping services that we use to test designs and functionality before commencing large scale production.
What is the benefit of die casting compared to other production processes?
Die casting provides high accuracy, multifaceted production of parts, cost effectiveness in high volume and high level of corrosion and is thus suitable in highly demanding applications.