Large Travel Self-Centering Vise with Soft Jaws for 5 Axis CNC Machining

This high-quality 5-axis dedicated self-centering vise features durable structure, high efficiency and easy-maintainable performance, fully adapting to the multi-orientation tilting and rotating processing characteristics of 5-axis machine tools. All core sliding and centering components undergo strict factory stress-relief treatment and ultra-precision grinding, ensuring long-term stable centering accuracy and clamping rigidity during continuous multi-angle cyclic machining.

The flexible soft jaws support on-site localized profiling machining to fit complex and irregular workpiece outlines, achieving uniform clamping force distribution and effectively preventing surface indentation, local stress deformation and workpiece displacement.

With an optimized streamlined body structure, Large Travel Self-Centering Vise with Soft Jaws for 5 Axis CNC Machining avoids tool-fixture interference and maximizes effective machining space.

Widely applicable to precision component processing in aerospace, new energy, mold and medical equipment industries, this Made-in-China fixture delivers stable, high-precision and professional tooling solutions for global industrial customers engaged in complex 5-axis machining production.

Industry Pain Points & Market Positioning

Large Travel Self-Centering Vise with Soft Jaws for 5-Axis CNC Machining is a precision clamping fixture specially developed for 5-axis CNC machining conditions.

5-axis machining challenges:

● Unlike 3-axis milling machines, 5-axis machines require workpieces to rotate, tilt, and process in multi-orientations

● Strict requirements on fixture clamping travel, centering stability, anti-overturning-moment performance, outline structure, and clamping contact surface

Industry pain points this product solves:

1．Conventional self-centering vises for 3-axis machines feature limited clamping travel and cannot accommodate large-size long-strip and frame-shaped parts.

2．Hard-jaw structures often produce indentations and local extrusion deformation on aluminum, copper, die-cast, and thin-wall non-metallic workpieces. During 5-axis tilting machining, minor deformation will amplify machining errors and lead to part scrap.

3．Some large-travel fixtures lack structural reinforcement for 5-axis tilting conditions. When the machine spindle tilts and rotates, internal transmission may generate clearance shift and lose centering accuracy, resulting in cumulative dimensional deviation for multi-face machining.

4．Many standard vises have bulky profiles and are prone to interference on 5-axis rotary tables, restricting machine rotation angles and reducing accessible machining range.

5．Traditional fixtures lack standardized installation design. Tooling change-over on 5-axis tables requires repeated dial-indicator calibration, consuming large amounts of effective machining time and lowering 5-axis machine utilization.

Our solution:

1. This large-travel soft-jaw self-centering vise is optimized for these 5-axis-specific pain points:

2. Expands clamping travel for large-size irregular parts

3. Modifiable flexible soft jaws disperse clamping stress to avoid workpiece damage

4. Reinforced body and transmission resist overturning moment generated by 5-axis tilting

5. Maintains centering accuracy under multi-orientation processing

6. Optimized outer contour reduces rotary-table interference risk

7. Compatible with installation logic of 5-axis rotary tables for fast tooling positioning

Boasting high-performance, durable, and user-friendly features, Large Travel Self-Centering Vise with Soft Jaws for 5 Axis CNC Machining fits vertical 5-axis machining centers, cradle-style 5-axis machines, and rotary-table 5-axis equipment. It serves aerospace lightweight-part machining, new-energy housing processing, complex-mold-insert machining, and medical-device precision-part 5-axis milling, helping manufacturers reduce scrap rate and improve 5-axis processing efficiency and multi-face machining consistency.

Overall Structure

The vise consists of six core components:

High-strength stress-relieved vise body

Large-travel synchronous gear-rack transmission assembly

Replaceable modifiable flexible soft jaws

5-axis-adapted mounting base

Fully-enclosed dust-and-coolant-resistant sealing assembly

Fine-tuning locking mechanism

Body: The vise body is integrally forged from high-strength alloy steel with multi-pass stress-relief treatment to eliminate internal forging and machining stress. It resists overturning moment when workpieces tilt and rotate on 5-axis machines and prevents body deformation.

Transmission: The large-travel synchronous transmission assembly is precision ground and matched with strictly controlled clearance to guarantee symmetrical opening and closing of dual soft jaws.

Jaws: High-toughness alloy soft jaws support on-site grinding and shaping to fit curved and irregular workpiece contours, enlarge clamping contact area, and distribute clamping force.

Sealing: The fully-enclosed sealing structure blocks chips, coolant, and dust from entering transmission cavities, adapting to heavy-coolant 5-axis workshop environments.

Base: The base profile is specially optimized to lower interference risk on 5-axis rotary tables.

Working Principle

1. Self-centering clamping principle:

Internal large-travel synchronous transmission drives dual soft jaws to move symmetrically. Workpieces are automatically centered regardless of placement position, eliminating manual alignment and dial-indicator calibration. Workpiece center is locked before 5-axis machining to remove human-caused positioning errors. Flexible soft-jaw contact distributes clamping force evenly to avoid extrusion deformation of thin-wall and soft-material workpieces during clamping. Even when workpieces tilt and rotate with the 5-axis table, stable centering maintains workpiece position and ensures consistent multi-face machining dimensions.

2. 5-axis-table-adapted positioning principle:

The vise base is designed according to installation standards for 5-axis rotary tables and can be directly mounted on cradle rotary tables and CNC rotary tables. Stable datum is achieved after installation. Tooling can be quickly disassembled and assembled to reduce repeated datum-calibration time. It can connect with FMS flexible manufacturing systems to realize continuous 5-axis processing of multi-variety parts.

Differentiated Core Advantages

1. Large-travel clamping for large-size irregular 5-axis workpieces.

Expanded clamping travel accommodates long-strip profiles, large-size housings, and complex frame parts. One fixture covers multiple workpiece sizes, cutting fixture-configuration cost for high-mix low-volume 5-axis production.

2. Modifiable flexible soft jaws to avoid 5-axis clamping damage.

Soft jaws can be ground for curved irregular contours to enlarge contact area and distribute clamping stress. For thin-wall aluminum-copper parts, it prevents clamping indentation and extrusion deformation, reducing part scrap for high-surface-finish precision-part processing.

3. Reinforced transmission and body rigidity to resist 5-axis overturning moment.

Forged stress-relieved body and reinforced transmission structure prevent jaw shifting and centering deviation during 5-axis tilting rotation, maintaining stable dimensional performance for multi-orientation machining and eliminating cumulative multi-face machining errors.

4. Optimized outline profile to reduce 5-axis rotary-table interference risk.

The base profile is streamlined. Mounted on cradle rotary tables, it lowers interference between fixture and machine spindle or tool magazine, expanding effective machining angle range of 5-axis machines.

5. Fully-enclosed sealing for harsh 5-axis processing environments.

Large volumes of chips and coolant are generated in 5-axis machining. The sealing structure blocks impurities from internal transmission to avoid jamming and precision degradation. The fixture is durable and easy-maintainable for daily operation.

6. Standardized 5-axis-table-mounting structure for faster tooling change-over.

The base complies with mainstream 5-axis rotary-table installation standards. Fast disassembly and assembly reduce dial-indicator-calibration time and improve 5-axis machine utilization, supporting FMS automated production lines.

7. Factory Direct sales with OEM modification support.

As a source factory, we can conduct structural customization according to customer 5-axis-machine models and part-processing characteristics to satisfy personalized 5-axis-process requirements.

Applicable Industries & Scenarios

Aerospace lightweight-component 5-axis processing: 5-axis multi-face milling for aerospace-aluminum thin-wall and irregular lightweight parts, achieving damage-free clamping and meeting aerospace-part precision-processing standards.

New-energy complex-part 5-axis processing: 5-axis multi-orientation milling for new-energy battery housings, irregular aluminum brackets, and long-profile parts to prevent clamping deformation and guarantee complex-contour dimensional accuracy.

Mold-industry complex-part 5-axis processing: Multi-variety low-volume 5-axis processing for complex mold inserts, irregular mold cores, and long-strip mold accessories, with fast tooling change-over to shorten setup cycles.

Medical-device precision-part 5-axis processing: 5-axis machining for aluminum and titanium-alloy thin-wall medical components with strict surface-quality and dimensional-accuracy requirements. Flexible soft jaws prevent surface clamping damage.

Consumer-electronics complex-part 5-axis processing: 5-axis simultaneous milling for communication-equipment complex frames and multi-curved aluminum-copper parts, ensuring multi-face machining consistency.

FMS flexible 5-axis automated production lines: Robot-enabled loading/unloading and multi-tooling rotation realize unmanned continuous 5-axis processing for modern smart-manufacturing workshops.

Installation & Debugging Specifications

Pre-installation cleaning: Thoroughly clean 5-axis rotary-table mounting surface and vise base contact surface. Remove chips, coolant residue, and oil. Foreign particles cause tooling tilting and dimensional deviation in multi-orientation 5-axis processing.

Mounting: Align the vise to the rotary table, match locating pin holes, fasten mounting bolts per machine requirements. Confirm firm fixation without shaking and complete datum verification before 5-axis machining.

Workpiece loading: Place workpieces casually between soft jaws. The dual jaws automatically center and clamp. Adjust clamping force according to workpiece material. Apply moderate force for thin-wall soft workpieces to prevent workpiece slippage during 5-axis tilting; increase force appropriately for hard materials.

Trial cut: Perform 5-axis trial-cut verification. Confirm no workpiece loosening. Run machine empty-cycle to test table tilting and rotation. Start formal 5-axis program only when no displacement or vibration occurs.

Automation calibration: For automated-line debugging, calibrate robot-grabbing center point to match vise centering center and avoid mechanical-impact damage to fixtures and workpieces.

Daily Maintenance Rules

Daily cleaning: Clean soft-jaw clamping surfaces after daily work to remove chips and residues, avoiding clamping offset in 5-axis processing.

Regular lubrication: Lubricate internal synchronous transmission with special grease every two weeks to keep jaw movement smooth and prevent clearance increase caused by repeated 5-axis tilting.

Jaw care: Do not strike soft jaws violently. Grind softly for shaping. Replace worn soft jaws separately without changing the whole vise.

Base protection: Protect the vise base mounting surface from collision and scratches. Apply anti-rust treatment when idle to preserve long-term mounting-datum accuracy.

No overloading: Do not over-stroke or overload clamping to avoid transmission-structure deformation under 5-axis overturning-moment load.

Common Faults

Customization Service

Customized services available for longer clamping stroke, special-radius soft jaws, and non-standard mounting holes for specific 5-axis rotary tables.

①　OEM branding is supported.

②　Complete price lists and factory-price terms for bulk orders are provided upon request.

③　Factory direct pricing – no middleman markup.

After-sales Service

12-month warranty covers manufacturing defects (excluding human mis-operation).

Free repair or spare-part replacement is provided for valid warranty claims.

Remote online technical guidance for installation and commissioning is available.

Paid on-site commissioning service can be arranged for bulk-order projects.

FAQ

Q1: Can Large Travel Self-Centering Vise with Soft Jaws for 5 Axis CNC Machining be directly mounted on cradle-style 5-axis rotary tables?

A: Yes. The base is designed for 5-axis rotary-table standards and can be directly installed on cradle rotary tables. The optimized outline reduces rotation-interference risk.

Q2: Do I need to replace the whole vise when soft jaws wear out?

A: No. Soft jaws are independent replaceable parts, lowering long-term maintenance cost.

Q3: Does large-travel design reduce clamping rigidity under 5-axis tilting conditions?

A: No. The forged stress-relieved alloy-steel body and reinforced transmission can bear overturning moment from 5-axis tilting and satisfy most precision-5-axis-processing scenarios.

Q4: Is it compatible with customers' existing old-model 5-axis machines?

A: The standard version fits mainstream 5-axis tables. Customized modification is available for special mounting holes and base dimensions.

Q5: Will thin-wall aluminum parts slip or deform during 5-axis tilting processing?

A: Flexible soft jaws distribute clamping stress evenly. Proper clamping-force setting effectively reduces thin-wall-part extrusion-deformation risk and prevents workpiece slippage during tilting.

The core value

Large-travel clamping

Damage-free flexible holding

Resistance to 5-axis overturning moment

Low rotary-interference performance

Compatibility with 5-axis rotary tables

These features solve clamping challenges for large-size irregular and thin-wall parts in 5-axis CNC machining.

Selection tips:

Select clamping stroke matching maximum workpiece dimension.

Choose soft-jaw configuration for aluminum-copper die-cast thin-wall parts.

Standard models are in stock for quick delivery.

Customized solutions are available for special 5-axis-machine and special-part-process requirements.