One, what is right angle square canal?

"Just be in charge of squarely " a kind be steel tube of form of the other sideSpoken language is changed, the address that stresses a gender, not be the academic noun of a standard. It refers in particular to thoseHorny ministry shows 90 degrees of right angle, foul line the steel tube that flat, cross section is a square.

This kind of appellation basically is to emphasize itsExceedingly good geometry precision and exterior quality, may contain lesser circular arc in order to distinguish at those horny ministries or dimension public errand is so not strict common square canal.

---

2, basically characteristic

Right angle square canal is emphasized particularly, because it has the following and outstanding characteristic,be:

1. 90 degrees of horn: This is the feature of its core. The right angle with accurate essence makes it is being assembled, when butt joint and installation very convenient, can come true easily not to have seamed join cheek by jowl, compose builds the frame structure that gives horizontal ooth upend.

2. Beautiful and easy: Straight crest line and keen horny ministry gift its concise, contemporary industry aesthetic feeling, in suiting to decorate sexual application in what need a structure very much, use directly.

3. The superior performance that defy a turn: Because its material distributings,be in all around, relative to the sincere rolled steel at coequal weight, it has extremely tall sectional and inertial moment, fight bend and fight turn round ability very strong.

4. Facilitating treatment and installation: The surface of level off facilitates undertake soldering, the fabricating such as bore, riveting, also join with other member easily.

---

3, workmanship

Should come true " orthogonal " the effect, basically rely on the following two kinds of craft:

1. Leng Wancheng (mainstream technology)

• Exterior quality is high: Smooth level off, without oxidation skin.

• Dimension precision is tall: External diameter of OK and strict control, wall is large with orthogonal precision.

• Can realize Bao Bi to change: The wall tubal material that production gives is large even, the exterior is beautiful.

• Process: Use a material or board, through how second cold curved roller, gradually curly the canal that become a circle, repass finish rolling shapes for square canal, the right angle that finishing mould presses its horn ministry is passed after.

• Advantage:

• This is to produce high accuracy right angle to just provide main means.

Solder + cold-drawing

• Process: Make round valve through soldering first, pass canal of mould cold-drawing set prescription next. This process is OK farther calibration dimension and appearance.

• Advantage: Dimension extremely, the surface is bright and clean degree extremely tall.

• Defect: Manufacturing cost is high, crop is inferior.

---

4, basically use a field

Just be in charge of Yinjimei to watch mixed character squarely, be applied extensively at:

1. Build adornment and decorate

• Framework of vitreous act wall: Regard the glass that prop up as the frame of face plate, the linearity with extremely high demand and orthogonal precision.

• Baluster, armrest: Use at stair, balcony, corridor, beautiful and solid.

• Door window frame is worn: Especially stylish metallic door window.

• Adornment grille, exhibit frame: The partition that is used at bazaar, exhibition hall and reveal ark.

Machinery and equipment are made

• Machine shield / crust: Offer for equipment solid and beautiful shell.

• Equipment frame, base: Use at automation equipment, testing instrument, workbench to wait, provide the assembly ground of stable, level off.

• Content sorts storage equipment: Goods shelves, stock is worn.

Furniture industry

• Contemporary metal furniture: Desk and chair, bedstead, tea table, bookshelf. Its keen exterior special accord with contemporary and contracted design style.

Other sphere

• The car changes his costume or dress, exhibit can exhibit a stage to build etc.

---

5, material standard and qualitative, norms

• Common capable person is qualitative:

• Q235: Steel of commonly used carbolic element structure, have good strength and weldability.

• Q345: Low alloy high strenth steel, use at need more the structure of high strenth.

• Stainless steel: Be like 304, 316, be used at needing corrosion resistance or taller beautiful spent circumstance (be like outdoor, galley equipment) .

• 20# steel: Steel of structure of element of high grade carbon, use at mechanical spare parts.

• Main standard:

• GB/T 6728 " the structure uses profiled bar of Leng Wankong heart ": This is to be in market core, relevant standard, set dimension, appearance, weight and tolerance.

• Norms expresses:

• Normally with "Long × wall is large by the side of edge long ×" will express, the unit is millimeter commonly.

• For example: The right angle of 2mm of × of 50mm of 50mm × just is in charge of, state the side is long for 50 millimeter, the wall is large the square steel tube that is 2 millimeter.