What does XKY Framing do?

XKY Framing (Yiwu Xinkuangyuan Machinery Co., Ltd.) designs and manufactures industrial framing machinery for picture frame, mirror, and cabinet door producers worldwide. Our product range includes fully automatic quad-corner underpinners (NN300), pneumatic and CNC underpinners (NN400–NN700), industrial stack cutting saws (NC500, NC600), dust-free miter saws (CT300), and pneumatic aluminium saws (CT400), plus a full range of V-nail fasteners.

Where is XKY Framing located?

XKY Framing is based at 77 Gexian Road, Yiwu City, Zhejiang Province, China — in the heart of the world's manufacturing hub. We supply framing machinery to customers globally.

What machines does XKY Framing manufacture?

XKY manufactures four main product categories: (1) Auto Underpinners — including the NN300 fully automatic quad-corner system (1,000+ frames/hour) and the NN400/NN500/NN600/NN700 pneumatic and CNC underpinners for joining 45° and 90° miter joints using V-nails. (2) Auto Cutting — including the NC600 industrial high-capacity stack saw and NC500 fully automatic stack cutting saw for double-miter cutting of MDF and wrapped profiles. (3) Frame Cutting — including the CT300 dust-free precision miter saw and CT400 pneumatic aluminium saw. (4) V-Nail Fasteners — compatible with all standard underpinner brands, available in soft, general-purpose, and hardwood grades from 7mm to 15mm.

How fast is the XKY NN300 automatic underpinner?

The XKY NN300 (SL-NN300) Fully Automatic Quad-Corner Underpinner joins all four corners of a frame simultaneously with a cycle time of 2–3 seconds, achieving over 1,000 joined frames per hour — up to 400% faster than manual operation. It is ideal for high-volume picture frame, mirror, and cabinet door production.

What is the difference between the NC500 and NC600 cutting saws?

The NC500 is a fully automatic stack cutting saw with a proprietary mold-based clamping system, best for complex or irregular moulding profiles up to 21.5" wide. The NC600 Industrial High-Capacity Stack Saw adds a 100mm (4") wide cutting range, anti-chip Three-Cut Mode, and zero-waste mirror-cut mode, boosting efficiency by 300–500% over manual saws. The NC600 is the flagship choice for large-scale laminated MDF and wrapped gesso frame factories.

Does XKY offer after-sales support and installation?

Yes. XKY provides a comprehensive service package: remote technical diagnostics via WhatsApp, WeChat, or Teams; full HD video tutorial libraries; on-site installation and operator training; a preventative maintenance program; 24-hour urgent support; and express spare parts dispatch (DHL/FedEx/UPS) from our Yiwu warehouse. Genuine spare parts are also available through xkyframing.com.

Are XKY V-nails compatible with other brands of underpinners?

XKY V-nail fasteners are made to the standard EN 10132 specification and are fully compatible with all major brand underpinners on the market. They are available in standard (0.30mm) and reinforced (0.38mm) thickness, in PS foam/plastic, general-purpose softwood, and hardwood grades, from 7mm to 15mm length.

How do I contact XKY Framing for a quote?

You can contact XKY Framing by phone or WhatsApp at +86 18758801620, visit our website at xkyframing.com, or reach us through our social media channels on LinkedIn, Facebook, Instagram, X (Twitter), and Pinterest.

Pneumatic Foot Switch FV320 – 125x80x55mm gray metal

NN13-Pneumatic Foot Switch FV320 for 7 and 8 Cylinder Corner Nailers

SKU: NN13

Key Specs

Model: Length
Length: 125 mm
Width: 80 mm
Height: 55 mm
Pressure Range: 0.15 - 0.8 MPa
Application: 7-cylinder & 8-cylinder corner nailers

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MOQ: 100•Lead time: 7-10days•Custom packaging: Available

The Pneumatic Foot Switch FV-320 is a compact, durable pneumatic valve actuated by foot pressure, designed for 7-cylinder and 8-cylinder production corner nailing machines. Its gray cast metal housing and 0.15-0.8 MPa range make it highly reliable in industrial framing environments.

Specification	Value
Model	FV-320
Length	125 mm
Width	80 mm
Height	55 mm
Pressure Range	0.15 - 0.8 MPa

What is the operating pressure range of the FV-320?

The FV-320 foot switch operates between 0.15 and 0.8 MPa, matching the standard air pressure range of 7-cylinder and 8-cylinder pneumatic corner nailing machines.

What material is the housing made from?

The housing is cast gray metal (aluminum alloy) with a rubber-surfaced pedal for anti-slip traction. This construction is significantly more durable than plastic-bodied alternatives in industrial environments.

Does the FV-320 require a protective guard?

The FV-320 is designed without a separate guard, relying on its compact low-profile design and the high actuation force required to operate it. For environments with heavy floor traffic, an aftermarket guard can be fitted.

Pneumatic Foot Switch FV320 for 7 and 8 Cylinder Corner Nailers – Industrial-Grade Valve

The Pneumatic Foot Switch FV320 for 7 and 8 Cylinder Corner Nailers is a compact industrial pneumatic valve built to withstand demanding production framing workshops. Model FV-320 delivers precise, reliable air signal actuation for 7-cylinder and 8-cylinder corner nailing machines across millions of operating cycles.

Specifications

Dimensions: 125mm length x 80mm width x 55mm height. Operating pressure: 0.15-0.8 MPa. Gray cast metal housing with rubber pedal surface maintains traction with safety footwear.

Industrial Reliability

Unlike plastic-bodied foot switches, the Pneumatic Foot Switch FV320 for 7 and 8 Cylinder Corner Nailers is built from cast aluminum alloy. The internal pneumatic valve mechanism is rated for industrial duty cycles with a low leak rate and consistent actuation force.

Multi-Cylinder Machine Compatibility

7-cylinder and 8-cylinder corner nailers operate at higher air flow rates than tabletop machines. The FV-320’s larger valve bore accommodates higher flow demands without pressure drop at the nail cylinder.

Mounting and Connection

The FV-320 mounts via its flat base plate to any firm floor surface using standard M4 bolts (not included). The pneumatic ports accept standard 1/4 inch BSP or NPT fittings.

Also see our Tabletop Foot Switch and Nail Feed Cylinder.