Oil Free Bushing Housing Units Square Flanged

Oil Free Bushings The new product of the economy series oilless bushing unit has been technically upgraded, with case material changed from stainless steel to aluminum alloy, and oilless bushing material changed from high-strength brass alloy to bronze alloy;
The oilless bushing is no longer embedded in a hole but integrated as one piece, ensuring more evenly distributed solid lubricant
, improved lubrication performance and significantly reduced noise.
This product is recommended for motions in the vertical direction, allowing easy installation and low maintenance frequency.

Oil Free Bushings The performance of the MISUMI new product has been greatly improved.
1. It is the first time MISUMI has integrated oilless bushing in copper plate, with the assistance of strong glue, allowing the bushing and aluminum alloy case to be tightly press-fitted (patent pending). Compared with the ordinary solid lubricant embedded product, the new solid lubricant is distributed more evenly and the lubricating area is increased by 20%, lubrication effect of oil free bushing greatly improved.
2. Longer service life due to improved lubrication
Conventional type: Final wear amount of 0.030 mm
New product: Final wear amount of 0.020 mm
Experiment conditions: Surface pressure of 25 N/mm², swing speed of 1 m/min, swing frequency of 96,000 times, experiment time of 100 h
 3. Product strength is fully ensured by aluminum alloy case. Test method: Apply load in the vertical direction and obtain the result of bushing stress during the process
Test demonstration: Analysis result of 0.1 mm forced shift of guide shaft in Y direction after the oilless bushing is fixed with screws.
 4. With the assistance of strong glue, the oilless bushing is fixed on the case with press-fit method. Compared with the conventional circlip fixing method, the adhesion is improved by 40% (data collected from the stripping test).

Case material: Aluminum alloy A6061
Surface treatment: Passivation treatment
Liner material: Bronze alloy
* Passivation is a method of treatment to generate a passivation film through direct reaction between aluminum alloy and chemical solution, thereby improving corrosion resistance and bonding force
 

Part Number			d		D		L		L1	H	T	d1	d2	t	P.C.D	W	F	A
Type				Tolerance		Tolerance	Short	Long
Round Flanged C-MFM	Square Flanged C-MFK	Flanged type C-MFN	10	+0.028 0	19	0 -0.018	32	57	5	40	6	4.5	7.5	4.1	29	30	-	29
			12	+0.034 0	21	0 -0.021	32	57	10	42					32	32	-	32
			16		28		37	67		48					38	37	22	31
			20	+0.041 0	32	0 -0.025	42	77		54	8	5.5	9	5.1	43	42	24	36
			25		40		58	108		62					51	50	32	40
			30		45		68	128		74	10	6.6	11	6.1	60	58	35	49
			40	+0.050 0	60	0 -0.030	80	150	15	96	13	9	14	8.1	78	75	50	60
			50		80		90	170		116					98	92	58	80

Oil Free Bushings It can be used to the guide shaft and lock the flange, in the same way as the linear bearing.

Oil Free Bushings Brake device using cylinder rather than lock