SX-120 Crimping Machine

　　The SX-120 (double-bevel model) crimping machine—the SX series comprises two models in total—is a large-caliber, ultra-high-power machine designed for crimping large-diameter, ultra-high-pressure hose assemblies. The locking mechanism features an eight-petal double-bevel die holder structure, and the cylinder system operates on the principle of simultaneous advancement and retraction of primary and secondary cylinders. Throughout the entire manufacturing process, not only digital machining technology is employed, but also high-quality alloy steel materials combined with a unique heat treatment process. This breakthrough has enabled the domestic alloy steel materials to surpass the dual limits of wear resistance and load-bearing capacity after heat treatment.

　　Its features are as follows: (1) Each mold base is machined with double-sided bevels. When the piston inside the main oil cylinder moves, the piston and the main oil cylinder cap jointly press against the two inclined surfaces of each unit on the mold base, ensuring that both inclined surfaces of each unit are uniformly compressed toward the center simultaneously. Under the combined action of the piston’s inclined surface and the oil cylinder cap’s inclined surface, the mold base generates twice the amount of shrinkage force. (2) Since the locking mechanism of this model shares the load between the two inclined surfaces of the mold base, it is less prone to wear. Even if there is slight wear on the two inclined surfaces, it will not cause an increase in the taper of the crimping process. Moreover, due to the relatively longer length of the mold base designed for this model, any inherent taper generated during crimping is effectively compensated for. (3) For mold installation and replacement, a mold gun is used to quickly replace eight molds at once, making the process convenient and efficient. (4) The four auxiliary oil cylinders are designed as external units and connected via threaded joints. This not only makes it extremely easy to replace seals but also reduces system pressure during retraction, thereby extending the service life of the system. (5) In terms of crimping dimension control, the displacement control principle is employed, using an imported scale-adjustment dial to precisely regulate the crimping dimensions. Thus, the scale values indicated by the adjustment dial correspond exactly to the actual crimping dimensions, achieving an accuracy of up to 0.01 mm. The crimping control section is equipped with either manual or automatic operation modes for user selection. (6) The main machine body adopts a cabinet-style design, and the central height of the locking mechanism is optimally suited for crimping large-, medium-, and small-sized hose assemblies, making it particularly suitable for crimping heavy-duty oil pipes with large diameters.

SX-120 Technical Specification

Maximum Hose ID: 102×6S

Maximum fitting outer diameter (Max. Fitting OD): 154 mm

Theoretical Crimping Force: 720 Ton

Die Opening & Closing: 40mm

Maximum Opening (Opening Without Die): 232 mm

Motor power: 7.5 kW

Power supply (Voltage): 380V/50Hz - 3-phase

Full Crimp Cycle: 14 seconds

Clamping control accuracy: 0.01 mm

Out-of-roundness (unevenness) of the product after crimping: ≤0.15mm

Overall machine weight: 900 kg

Die-set inner diameter specifications: 15, 18, 21, 24, 27, 33, 39, 45, 51, 57, 66, 73 (crimping range: 6–64)

Slot die inner diameter specifications (Die-sets): (Optional) 84, 90, 96, 102, 108, 114, 120, 126, 132, 138, 144 (crimping range: 64–102)

External dimensions (length × width × height): 950 × 660 × 1530 mm

SX-120 Mold Application Range (Die Chart)