Precision Casting Mold Cavity Insert

Product Specifications

Technical details and manufacturing context for Precision Casting Mold Cavity Insert

Definition

A precision-engineered insert that fits into the main mold body to create the internal cavities and features of cast metal components. These inserts are critical for achieving complex geometries, fine surface finishes, and dimensional accuracy in investment casting, die casting, and sand casting processes. They allow for easier mold maintenance, replacement of worn sections, and production of parts with intricate internal details that would be difficult to machine directly into the main mold block. Their modular design reduces overall mold costs and extends tooling life. The insert is precisely machined to the negative shape of the desired cast part feature and secured within the mold assembly. During casting, molten metal flows around the insert, solidifying to form the corresponding positive feature in the final component. After casting, the mold opens and the insert remains with the mold for reuse in subsequent cycles. Typical materials include tool steel (H13), carbide, and copper alloy. Key parameters include insert length (50–300 mm), width (30–200 mm), height (20–150 mm), draft angle (0.5–3 degrees), hardness (45–52 HRC), operating temperature (200–600 °C), surface roughness (0.4–1.6 μm Ra), tolerance grade (IT6–IT8 per ISO 286), material grade (H13 per ASTM A681), and weight (5–50 kg). These values are reference ranges and must be confirmed for the specific model and application. Always verify with the legal manufacturer or supplier.

Working Principle

The insert is precisely machined to the negative shape of the desired cast part feature and secured within the mold assembly. During casting, molten metal flows around the insert, solidifying to form the corresponding positive feature in the final component. After casting, the mold opens and the insert remains with the mold for reuse in subsequent cycles. The insert's geometry, surface finish, and material properties directly influence the cast part's dimensional accuracy and surface quality. Proper draft angles facilitate part ejection, and hardness ensures wear resistance. Operating temperature limits must be respected to avoid thermal fatigue. Regular inspection for wear, cracking, or deformation is necessary to maintain quality. When wear exceeds acceptable limits, the insert can be replaced without discarding the entire mold, reducing downtime and tooling costs.

Common Materials

Tool Steel (H13), Carbide, Copper Alloy

Technical Parameters

Parameter	Typical range	Notes & selection driver
Insert LengthRequired	50–300 mm	Overall length of the insert component
Insert WidthRequired	30–200 mm	Overall width of the insert component
Insert HeightRequired	20–150 mm	Overall height/thickness of the insert
Draft AngleRequired	0.5–3 degrees	Taper angle for part ejection from mold
Hardness	45–52 HRC	Material hardness for wear resistance
Operating Temperature	200–600 °C	Maximum continuous operating temperature
Surface Roughness	0.4–1.6 μm Ra	Smoother finish improves part surface quality but increases cost.
Tolerance Grade	IT6–IT8	Tighter than IT6 is difficult to achieve in casting.ISO 286
Material Grade	H13	Hot-work tool steel; alternative: 8407 or DIN 1.2344.ASTM A681
Weight	5–50 kg	Heavier inserts require crane handling; lighter may lack rigidity.

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Insert Body Part
Forms the main shape of the cast feature

Material: Tool Steel or Carbide
Mounting Flange Part
Secures insert to main mold plate

Material: Same as body
Cooling Channel Optional Part
Internal passage for temperature control

Material: Machined cavity

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Precision Casting Mold Cavity Insert.

Manufacturers of Precision Casting Mold Cavity Insert

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Dongguan Mingshang Mould Parts Co., Ltd

Dongguan, Guangdong, CN

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “core inserts”
View source page ↗ minsmold.com · checked 2026-09-04

View profile Send enquiry

Jiangsu Veoell Intelligent Equipment Technology Co., Ltd.

Nanjing, Jiangsu, CN

Also makes: Tool Holder, Hydraulic Press Brake, Die Holder

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “1V DIE INSERT”
View source page ↗ veoell.com · checked 2026-09-10

View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 16 September 2026

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Frequently Asked Questions

What materials are available for this insert?

According to the directory, available materials include tool steel (H13), carbide, and copper alloy. The specific material grade for H13 is listed as per ASTM A681, but you should confirm the exact grade and heat treatment with the supplier for your application.

What are the typical dimensional ranges?

Reference ranges are: length 50–300 mm, width 30–200 mm, height 20–150 mm, and weight 5–50 kg. These are general ranges; the actual dimensions depend on the mold design and casting requirements. Always verify with the manufacturer.

What tolerance grade can be achieved?

The directory lists a tolerance grade of IT6–IT8 per ISO 286. Tighter than IT6 is difficult to achieve in casting. However, the actual achievable tolerance depends on the casting process, material, and geometry. Confirm with your supplier.

How should I verify the insert's suitability?

Check the insert's dimensions, material grade, hardness, operating temperature, surface roughness, and tolerance against your casting requirements. Also, ensure the draft angle is appropriate for part ejection. Always consult the legal manufacturer or supplier for model-specific data and compliance.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Buyer enquiry

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pressure:	Up to 100 MPa (14,500 psi) injection pressure
other spec:	Slurry concentration: 30-70% solids by weight, Flow rate: 0.5-5.0 L/min per cavity
temperature:	Ambient to 1200°C (2192°F) continuous, 1400°C (2552°F) peak