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HOLDING TOOLS

HOLDING TOOLS

Product catalog summary

Overview of Models and Applications

This document details various magnetic and flexible holding tools designed for machining, assembly, and related industrial applications. The products include flexible holders, clamps, vices, magnetic nozzle holders, dressers, and protective Magpads.

1. MPV Series: Flexible Holders and Clamps

MPV-MF (Multi-Purpose Flexible Holder)

Application: Auxiliary clamping of parts/tools during machining or assembly; also suitable for holding mirrors, penlights, sensors, etc.
Features: Flexible metal tip design with interchangeable parts (φ6 and φ8 shafts); magnetic base with ON/OFF function for easy mounting/demounting.
Specifications: Max opening 28 mm; 360° rotation; holding power 784N (80 kgf); allowable weight 0.6 kg; mass 1.4 kg.

MPV-CL (Flexible Clamp)

Application: Soldering circuit boards, assembly holding, and clamping electric cables.
Features: Powerful ON/OFF magnetic base; plastic clamper with 28 mm max opening; tilt and vertical movement (~90 mm).
Specifications: Holding power 1000N (100 kgf); mass 2.7 kg.

MPV-F (Flexible Vice)

Application: Temporary holding during assembly, hand filing, drilling, and tapping nonmagnetic materials.
Features: ON/OFF magnetic base; freely tiltable vice; nylon plates for strong grip on non-flat workpieces.
Specifications: Holding power 1000N (100 kgf); mass 2.7 kg.

MPV MAGVICE

Application: Securing irregular or tapered workpieces; machining end faces of round bars and flat workpieces.
Features: Magnetic force secures workpieces without mechanical clamping force; dual-side select handle; mountable on magnetic chuck.
Specifications: Side slip resistance 575N for square bars, 480N for round bars; mass 7.3 kg.

2. NH Series: Magnetic Nozzle Holders

Application: Supplying cutting fluid or air to machine tools; chip removal during electric discharge machining.
Features: Highly flexible metallic hose maintaining posture under high pressure; powerful magnet for easy mounting; adjustable nozzle tip angle and flow rate; hose length adjustable via joints.
Pressure Limits: NH-P1/P3: Air 0.34 MPa, liquid 0.2 MPa; NH-M1/M3: max 0.6 MPa; max flow rate 10 liters/min.
Models and Specs:
NH-P1: Holding power 250N, hose length 390 mm, mass 0.95 kg
NH-P3: Holding power 500N, hose length 420 mm, mass 1.65 kg
NH-M1: Holding power 245N, hose length 400 mm, mass 0.9 kg
NH-M3: Holding power 490N, hose length 400 mm, mass 1.9 kg

3. MDR Series: Magnetic Dressers

Application: Holding grinding wheel dressers firmly on magnetic bases for easy and reliable setup.
Features: ON/OFF magnetic lever for mounting/demounting; adjustable mounting angles; clamp mountable on side or top of base.
Specifications: Holding power 800N; dimensions approx. 50×58.5×55 mm; shaft diameters φ11 and φ12 mm; mass 1.2 kg.

4. MP Series: Magpad Protective Holders

Application: Prevent wire breakage and coolant scattering in wire electric discharge machines; prevent dislocation or falling of cut pieces.
Features: Transparent acrylic plate with powerful magnets; strong holding power with visual monitoring; no mechanical clamps needed; rust-resistant and semi-permanent magnetic force.
Models and Specs:
MP-1: Holding power 80N, size 66×26×9 mm, mass 35 g
MP-2: Holding power 200N, mass 70 g
MP-3: Holding power 250N, mass 110 g

General Notes and Recommendations

Holding power values are based on tests using SS400 steel plates, 10 or 20 mm thick with ground surfaces.
Magnetic bases feature ON/OFF switches to facilitate easy mounting and removal without damaging workpieces.
Flexible components allow multi-directional positioning and stable holding even under fluid pressure or machining forces.
Interchangeable parts and modular design enhance versatility across different applications.

Critical Parameters and Limitations

Maximum clamping openings vary by model, typically up to 28 mm.
Nonmagnetic workpieces cannot be held by magnetic vices like the MAGVICE.
Pressure and flow rate limits must be observed for nozzle holders to maintain stability and prevent hose displacement.
Mass and size specifications are important for ergonomic and spatial considerations in tool setup.

Summary

The MPV series and related magnetic holding tools provide versatile, flexible, and reliable solutions for clamping, holding, and positioning workpieces and tools in machining and assembly environments. Their magnetic bases with ON/OFF functionality, flexible shafts, and modular parts enable efficient operation and adaptability. The NH series enhances fluid and air delivery with flexible magnetic nozzle holders, while the MDR dressers and MP Magpads offer specialized functions for grinding and wire EDM protection respectively.

Catalog excerpts

HOLDING TOOLS Design registered φ6 shaft mounting hole φ8 shaft mounting hole ●A diversified design of metal parts at the tip makes this holder usable in a very wide range of application. In addition to the main clamper, a φ6 shaft and φ8 shaft are mountable. Tip of ﬂexible tube: M6 male thread, tip of pole: M5 female thread Parts replaceable with other parts that match these thread sizes. ●The use of a magnetic holder base that is equipped with an ON/ OFF function facilitates mounting and demounting. Holding Power Allowable Weight to Hold (Ref.) Parts available individually Suitable for auxiliary clamping of parts or tools during machining or assembling work. Also usable for holding a mirror, penlight, sensor, etc. ※The clamper is sold with pole B also. ※The clamper can clamp workpieces of 28 mm or less in width. Model MPV-CL FLEXIBLE CLAMP （34） VACUUM CHUCKS Holding Power ※The holding power is based on a test piece of SS400, 10 mm thick, ground surface. BLOCKS, HOLDERS, MINI CHUCKS HOLDING HOLDING TOOLS TOOLS Holding Power ※The holding power is based on a test piece of SS400, 10 mm thick, ground surface. MAGNETIC TOOLS ［Application］ Suitable for securing irregularly shaped workpieces or tapered workpieces and for machining end faces of round bars and ﬂat workpieces. ［Features］ ●The force to secure a workpiece is generated by a magnetic force. Thus, unlike mechanical clamping, no undue force is applied. (Nonmagnetic workpieces cannot be held.) ●The select handle can be operated on both sides. ●Can be mounted on a magnetic chuck on a machine tool. MEASURING TOOL HOLDERS ［Application］ Suitable for temporarily holding workpieces during assembly. Also suitable for such jobs as hand ﬁling and drilling and tapping of nonmagnetic materials. ［Features］ ●The employment of a powerful ON/OFF selectable magnetic holder facilitates mounting on an iron work table and work table of machine tools. ●The vice can be tilted freely to secure workpieces according to their shapes and machining directions. ●The plates on the workpiece clamping parts are made of nylon to hold non-ﬂat workpieces strongly. Parts available individually 44 Model MPV-F FLEXIBLE VICE PROMELTA* SYSTEM ［Application］ Suitable for soldering of circuit boards of electric parts. Suitable for holding parts during assembly. Suitable for wiring as it can clamp electric cables. ［Features］ ●The employment of a powerful ON/OFF selectable magnetic holder facilitates mounting on an iron work table and work table of machine tools. ●The clamp part is equipped with a tough plastic clamper and can be tilted freely. ●The clamper opens 28 mm maximum and can be moved up and down in a range of about 90 mm. Parts available individually ELECTROMAGNETIC CHUCK PERMANENT PERMANENT CHUCKS CONTROLLERS MAGNETIC CHUCKS ELECTROMAGNETIC CHUCKS Flexible usage! Convenient multi-clamper!! An example of usage ［Application］ MULTI-PURPOSE FLEXIBLE HOLDER Model MPV-MF ■Magnetic force: Side slip resistance is 575 N (57.5 kg) for iron square bars of 30 mm × 30 mm × 130 mm and 480 N (48 kgf) for iron round bars of φ30 × 130 mm tha

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MAGNETIC TYPE NOZZLE HOLDER Parts available individually Ball valve PT1/4x#9(hose nipple) cipyible in a" directions^ NH-M1 (An example of NH-M1 usage Ball valve 14 , , , 9 [Application] This holder is used to supply cutting fluid or air to machine tools. This can also be used to remove chips and particles produced during electric discharge machining by injecting cutting liquid. [Features] •Compared with conventional products, flexibility has been extremely improved. The flexible part can be bent freely. (NH-M1, M3) •By employing a metallic flexible part, the holding posture is maintained...

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