• Model NO.: Dia15-300mm
  • Application: Plastic Machine
  • Condition: New
  • Nitrided Layer Depth: 0.5-0.8mm
  • Nitrided Brittleness: Less Than Grade 1
  • Linearity of Screw: 0.015mm
  • Specification: ISO9001: 2008
  • HS Code: 84779000
  • Function: Storage Pressure Vessel
  • Material: Alloy
  • Screw Barrel: Single Screw Cylinder for Film Blown Machine
  • Nitrided Hardness: 900-1000hv
  • Surface Roughness: Ra0.4
  • Trademark: ZHONGYANG
  • Origin: Zhejiang of China
Single Screw Cylinder for Film Blown Machine or film blown screw barrel

Specification:
Screw diameter: Φ 15mm-Φ 3000mm
L/D ratio: 15-46

Technical Information
Base Materials:
1). 38CrMoAlA(JIS SACM645).
2). 42CrMo(AISI 4140).
3). 4Cr5MoSi V1 (JIS SKD-61).
4). 9Cr18MOV
5). HPT

Bimetallic alloy materials:
1). Fe-based alloy
2). Ni-based alloy/Deloro alloy
3). Co-based alloy
4). NiCo-based alloy
5). Tungsten carbide/Wolfram carbide

Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting

Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm

Warranty and service: 1 year

Our advantages:
1). Excellent raw materials
2). Good customer service
3). Rapid delivery
4). Reasonable price
5). Production quickly

Experienced manufacture, we will be the best choice.

Camping Folding Table

Characteristics of modern-day folding tables and chairs originated in medieval times, a period from the fall of
the last Roman Emperor, in 476 AD, to the fall of Constantinople, in 1453.
Furniture makers deliberately built tables and chairs that could easily be disassembled and transported. So
when harsh fighting erupted between nations, lords, and neighbors, families could grab their belongings
and flee at a moment's notice. Most of the tables of this era collapsed rather than unfolded.
Bed and Board
Interestingly, the expression "bed and board " was coined in the Medieval era with the latter "board"
referring to the main table used for dining. The "board" was just that - a portable trestle table that could
easily be packed away when not in use and transported with ease. Folding chairs were popular amongst
the medieval aristocracy since again they could be easily folded and carried when on the move. Styles
were simple and practical. They were usually made of oak or other woods.
Folding tables have evolved through the centuries with the emergence of new technologies and designs.
Today's tabletop options range from wood, particle board, and melamine, laminates, aluminum, plastic,
and so forth. Table legs can be built with steel, aluminum, other metals, and plastic. So while the main
use of folding tables has changed throughout history, the purpose remains the same - collapsible,
easily storable, portable, and lightweight.

folding camping table,camping table,aluminium camping table,adjustable camping table,camping table chair set

Ningbo Autrends International Trade Co., Ltd. , https://www.zjouterlead.com