Sangroove (Jiangsu) Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of machine tool spindle housing in China. If you're going to wholesale cheap machine tool spindle housing made in China, welcome to get pricelist from our factory. All customized products are with high quality and low price.

Product Overview

The Machine Tool Spindle Housing forms the enclosure and mounting structure for a machine tool's spindle assembly. It provides the interfaces needed to locate and support spindle-related components, making bore geometry, bearing-seat dimensions, and the relationship between mounting surfaces important considerations during manufacturing.

Unlike general machine frames, spindle housing castings often contain internal cavities and precision-machined openings that must correspond with the intended spindle configuration. The casting design must therefore accommodate both the required structural form and the machining allowance needed for subsequent boring and finishing operations.

Sangroove supplies spindle housing castings for 855 and 1160 machining center models, subject to drawing confirmation, as well as customized components for other machine tool designs. HT250 and HT300 gray cast iron are listed material options, while alternative materials require technical review.

Depending on the part design, production may involve lost foam casting or resin sand casting, followed by aging or stress-relief treatment where specified. Machining can focus on spindle mounting bores, bearing-related seats, assembly faces, and other designated features.

For project evaluation, customers can submit component drawings or 3D models together with material requirements, critical bore dimensions, tolerance specifications, and the required level of machining.

Manufacturing Process

Casting Preparation
Review the housing geometry, internal cavities, wall sections, and machining allowances before selecting a suitable casting method.

Mold Production and Casting
Prepare the mold and produce the casting using an appropriate process, such as lost foam casting or resin sand casting, where applicable.

Melting and Material Control
Manage the melting process and verify material composition against the specified grade and project requirements.

Aging and Stress Management
Apply the agreed treatment process where required to address residual stress before finish machining.

Spindle Bore Machining
Machine specified spindle bores and related openings. Precision boring requirements are defined by the approved drawings and the spindle assembly design.

Interface Finishing
Finish designated bearing seats, mounting faces, and connection features within the agreed machining scope.

Inspection and Dispatch
Check critical dimensions and machined features against the project inspection criteria before final packaging.

Technical Specifications

Item	Specification
Product Name	Machine Tool Spindle Housing
Main Materials	HT250 / HT300 Gray Cast Iron
Optional Material	QT500 Ductile Iron, subject to technical confirmation
Weight Range	100–2500 kg, subject to production capability
Casting Methods	Lost Foam Casting / Resin Sand Casting
Heat Treatment	Aging / Stress Relief, as specified
Main Machining Features	Spindle Bores, Bearing Seats, Mounting Faces, Assembly Interfaces
Machining Accuracy	According to approved drawings
Surface Roughness	Ra 1.6–Ra 6.3, subject to specified surfaces
Inspection	Dimensional and bore-related inspection according to project requirements
Customization	Based on customer drawings and technical specifications
Applications	CNC Machining Centers, Boring and Milling Machines, Gantry Machine Tools

Key Features of Spindle Housing Castings

Spindle Bore Machining

Manufacturing can include boring and finishing of specified spindle openings, with dimensional requirements established by the spindle assembly design.

Bearing and Assembly Interfaces

Bearing-related seats and connecting surfaces can be machined according to the component drawing and agreed machining scope.

Internal Cavity Configuration

Casting preparation takes account of the housing's internal spaces, wall sections, and component geometry.

Material Selection for Machine Tool Applications

HT250 and HT300 gray cast iron are available for specified projects. Material selection should be confirmed against the design requirements.

Casting-to-Machining Coordination

Casting allowances and subsequent machining operations are considered together to support the required final geometry.

Drawing-Specific Inspection

Inspection criteria can cover bore dimensions, mounting interfaces, and other critical features identified in the customer's documentation.

Why Choose Sangroove

Machine Tool Casting Experience
More than 40 years of machine tool casting experience, according to company information.

Spindle Housing Production
Support for specified 855 and 1160 housing castings, subject to drawing review.

Multiple Casting Methods
Lost foam casting and resin sand casting for suitable component designs.

Machining Process Options
Boring and finishing operations for designated spindle and assembly interfaces, subject to confirmed production capability.

Drawing-Based Project Evaluation
Manufacturing requirements are assessed against the part geometry, material grade, tolerance specifications, and inspection needs.

Applications

CNC Machining Center Spindle Assemblies

Vertical Machining Centers

Horizontal Machining Centers

Gantry Machining Equipment

CNC Boring and Milling Machines

Specialized Machine Tool Systems

Customized Industrial Machining Equipment

FAQ

Q: 1. What does a machine tool spindle housing do?

A: It provides the enclosure and mounting structure for the spindle assembly and related components. Its machined interfaces must correspond with the machine's spindle and assembly design.

Q: 2. Can spindle housing castings be made from customer drawings?

A: Yes. Customized projects can be evaluated using 2D drawings or 3D models, together with material and machining requirements.

Q: 3. Which materials can be used for spindle housings?

A: HT250 and HT300 gray cast iron are listed options. Other materials require confirmation based on the component design and manufacturing requirements.

Q: 4. Can you machine spindle bores and bearing seats?

A: These features can be included in the machining scope where the required operations and tolerances are supported by the factory's capabilities. Specific requirements should be confirmed during technical review.

Q: 5. Which casting processes are available?

A: Lost foam casting and resin sand casting are listed processes. The appropriate method depends on the component's geometry and production requirements.

Q: 6. How are critical dimensions inspected?

A: Inspection requirements are established according to the approved drawings, with attention to specified bore dimensions, mounting interfaces, and other critical features.

Q: 7. What information is needed for a quotation?

A: Please provide drawings or a 3D model, material grade, estimated quantity, critical bore and interface dimensions, required machining operations, tolerance specifications, and delivery destination.

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